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Van Dam Case Witness Challenges Findings Of Defense 'Bug Expert': But...His Testimony Don't Add Up..
Union Tribune ^ | July 31, 2002 | Jeff Dillion

Posted on 07/30/2002 3:58:51 PM PDT by FresnoDA

Prosecution witness challenges findings of defense 'bug expert'



SIGNONSANDIEGO

July 30, 2002


Union-Tribune
Dr. M. Lee Goff
An insect expert testifying for the prosecution in the David Westerfield case said Tuesday that flies appeared to have colonized Danielle van Dam's body sometime between Feb. 1 and Feb. 14, far earlier than defense witnesses have estimated.

M. Lee Goff, an entomologist and chairman of the Forensic Sciences Department of Chaminade University in Honolulu, said his review of the crime scene photos, morgue photos, weather reports and other evidence suggest that Danielle's body was exposed to insects as early as Feb. 1 and no later than Feb. 14.

 


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  • Goff says data assumptions used by Haskell would create a shorter timeline for Danielle's post-mortem interval.
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  • Goff says flies don't lay eggs on dry tissue.
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"We're working on an estimate. We're not running a stopwatch here," Goff said.

The defense has contended that there was no way Westerfield could have placed the victim's body where it was found in the East County community of Dehesa, because he was under close surveillance by police beginning Feb. 5.

Goff was called to the stand to rebut testimony from two forensic entomologists called by the defense who testified that Danielle's body could not have been exposed to insects any earlier than mid-February, nearly two weeks after Westerfield came under police surveillance.

Westerfield could face the death penalty if convicted of the kidnap and murder of Danielle. He also has been charged with possession of child pornography.

Danielle was reported missing from her family's Sabre Springs home on Feb. 2. Her body was found in a wooded area near El Cajon on Feb. 27 after a massive search drew national attention.

Westerfield, who lived two doors down from the van Dams, became an early suspect in her disappearance.

 

Insect evidence

When Danielle's naked body was found, investigators took extensive photos of it and its surroundings, then put bags over her head, feet and hands and wrapped the body in a sheet to preserve any evidence.

Law enforcement officials called in forensic entomologist David Faulker to study the signs of insect infestation on the body to try to gauge when Danielle had died.

But lead defense attorney Steven Feldman argued in his opening statement that scientific evidence would prove his client could not have killed Danielle. As it turned out, the prosecution never called Faulker to the stand and he was called by Feldman as a defense witness.

Early in the trial, San Diego County Medical Examiner Brian Blackbourne testified that the girl could have been dead from 10 days to six weeks when her body was found.

Faulkner testified July 10 that his analysis of the life cycles of the insects found on Danielle's body showed it wasn't available to insects until sometime between Feb. 16 and 18.

On July 22, a second defense expert, Dr. Neal Haskell, testified that Danielle's body couldn't have been exposed to flies any earlier than Feb. 12.

 

Insect rebuttal

Prosecutors began rebutting the defense insect evidence on Thursday by calling Dr. William C. Rodriguez III, a forensic anthropologist for the Department of Defense, who testified that Danielle's body was in "an advanced state of mummification" that would have delayed insect infestation.

On Tuesday, Goff reiterated testimony about insect lifecycles presented by the previous experts: You can calculate how long a body has been exposed to the elements by gauging the age of the maggots – fly larvae – growing on the body.

Flies are quickly drawn to dead bodies and will lay batches of eggs on them. The development of the eggs into different stages of larvae and adult flies is then affected by temperature, humidity and other environmental factors.

Using charts of known development rates, a forensic entomologist can look at the age of maggots found on a body and, factoring in the weather, can calculate when the eggs they hatched from had been laid. Generally, the warmer the weather, the faster the insects develop.

Goff, author of "A Fly for the Prosecution: How Insects Help Solve Crimes," said he calculated the "post-mortem interval" date from the maggots on Danielle's body using temperature records and charts from a 2000 fly study.

He said Faulkner appeared to have made his calculations using a chart of insect development from a study that used 80-degree temperatures, far higher than the rates in the San Diego mountains in February.

Haskell appeared to have calculated his dates assuming that the activity of the "maggot mass" on the body would have raised the temperature of the mass, speeding up their development.

In both cases, Goff said, the other entomologists estimated that the maggots would have developed much faster than he did, giving a much later date for the exposure of Danielle's body to the elements.

Goff was scheduled to resume testifying – and to face cross-examination by the defense – after a lunch break.

 

Fiber evidence


DAN TREVAN / Union-Tribune
San Diego Police Department Detective Maura Parga testifies during the trial of David Westerfield Tuesday.
None of the orange shirts worn by the investigators who searched David Westerfield's house after the disappearance of Danielle van Dam could have been the source of the orange acrylic fibers found in Westerfield's laundry and on Danielle's body, a fiber expert said today.

A series of shirts and other orange-colored items brought to the San Diego Police Department crime lab were made from either nylon, cotton or a polyester-cotton blend, criminalist Tanya DuLaney testified.

"Did the fabric of any of these items consist of acrylic in any manner?" assistant prosecutor Woody Clarke asked.

"No," DuLaney replied.

Prosecutors called DuLaney back to the stand in response to defense suggestions that investigators could have inadvertently cross-contaminated the two crime scenes with the orange acrylic fibers, which became a key piece of prosecutor evidence linking Westerfield with Danielle's body.

On June 25, police criminalist Jennifer Shen testified that an orange acrylic fiber tangled in Danielle's plastic necklace at the time her body was found was similar to orange acrylic fibers found in laundry inside Westerfield's home and on bedding in his bedroom.

On July 24, lead defense attorney Steven Feldman introduced into evidence several still images from television that showed police investigators wearing orange or orangish shirts as they entered and left Westerfield's house on Feb. 4 or 5.

In response, the district attorney's office identified all of the police and search-and-rescue personnel shown in the photos, collected anything orange-colored they were wearing at the time and gave the clothing to the crime lab.

That evidence consister of two orange long-sleeved shirts, an orange short-sleeved shirt, four reddish polo shirts, an orange rope, an orange strap, a black-and-red backpack, an orange hat and an orange dog vest, DuLaney said.

Under microscopic and infrared examination, none of the fibers taken from those items contained any acrylic material, DuLaney said.

 

Trial's end in sight

At the start of today's session, Superior Court Judge William Mudd told jurors that there will be no testimony on Wednesday, but that testimony will resume Thursday and could conclude on Monday.

"It appears to me that next week you'll hear closing arguments and be in deliberations," Mudd said.

The judge said that he had not yet decided whether to sequester the jurors during deliberations.

Mudd also warned jurors not to read or view any material about the Westerfield case or the Orange County kidnap-murder of Samantha Runnion, in which the girl's mother blamed a previous jury for failing to convict her daughter's accused murdered in a previous sexual abuse case.

"The fact is the case is not similar in any way, shape or form," Mudd said.



TOPICS: Local News
KEYWORDS: 180frank; crime; danielle; dejackaled; kidnapping; molestation; threadjackals; vandam; westerfield
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To: Dave_in_Upland
See my posting of the cross-exam in question.

BTW, it sounds like much more than the normal amount of hair one would encounter beween necklace and hair.

I wonder if they showed the jury the clump of hair? Do you have that testimony handy?

421 posted on 07/31/2002 4:48:05 PM PDT by cyncooper
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To: cyncooper
never mind that between the cookie visit and bedtime and school she would have changed clothes numerous times--would dislodge a fiber.

If you read the testimony as to the fiber and hair you would not say this. It wasn't LOOSE. It was BOUND up in the hair which was STUCK to the necklace.

422 posted on 07/31/2002 4:48:17 PM PDT by UCANSEE2
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To: UCANSEE2
Tangled Up in Blue is a dylan song.

Should have been Tangled Up in Dull Orange.
423 posted on 07/31/2002 4:49:33 PM PDT by John Jamieson
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To: John Jamieson
I meant they have no "personal vendetta", such as the Sabre Swingers, nosy Rosy neighbor, etc.

The BUGSPERTS, get paid either way their testimony turns out.
424 posted on 07/31/2002 4:49:50 PM PDT by the Deejay
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To: nycgal
I would agree with that only if the hair was not also attached to her head.

Then we need to find out if testimony bears that out.

425 posted on 07/31/2002 4:50:54 PM PDT by UCANSEE2
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To: nycgal
I was thinking the same thing!
426 posted on 07/31/2002 4:51:28 PM PDT by hoosiermama
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To: cyncooper
REDDEN: Okay, so was this spur of the moment or something you had planned?

Redden uttered the phrase and DW responded. Redden could have asked him, without being "descriptive", how he decided to take the MH out for the weekend.

427 posted on 07/31/2002 4:52:31 PM PDT by nycgal
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To: nycgal
Those fibers in the necklace haven't meant a whole lot to me.

It's been so obvious that kid hasn't had a lot of hygiene attention. Those fibers could have been on that necklace since the day she put it on.
428 posted on 07/31/2002 4:53:15 PM PDT by the Deejay
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To: hoosiermama
Great minds :-)
429 posted on 07/31/2002 4:54:26 PM PDT by nycgal
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To: John Jamieson
Thanks, John. You are so right about the bug experts. The fact that Faulkner was Duseks witness won't be lost on the jury. I think Feldman will stress that fact!
430 posted on 07/31/2002 4:55:21 PM PDT by Jrabbit
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To: the Deejay
Too many people like to debate innuendo & speculation. Post #350

That kid's hair was FILTHY! Post #417

I think you forgot to say "in my opinion".

You'll notice I qualified my opinion by stating: her hair looks smooth to me.

So we disagree.

431 posted on 07/31/2002 4:55:26 PM PDT by cyncooper
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To: the Deejay
The poor little thing's hair looked greasy. Even though her hair was straight it would have had a little more oomph to it if it was clean.
432 posted on 07/31/2002 4:56:52 PM PDT by nycgal
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To: nycgal
How about a fiber or two getting entangled in her necklace as she was pulling tops on and off?

Then how did those fibers get to DW's environment?

Except that wouldn't be the source because too many of the fibers were in his stuff to account for the fibers to come from her. It must be something he had in his house.

433 posted on 07/31/2002 4:58:40 PM PDT by cyncooper
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To: cyncooper
I know clean well groomed hair when I see it, and I repeat,
that kid's hair was FILTHY! Of course it's "my opinion", did I say anyone else said it?

Take a closer look, yes it's smooth, but it's "smooth" from the greasys.

434 posted on 07/31/2002 4:59:30 PM PDT by the Deejay
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To: the Deejay
Right, if anything, those two should have been leaning towards Dusek's Mysterious Non-existant Theory.

Ladies and Gentalman,

We don't know how, when, or where lovely Danielle died. And the reason we don't is that that Sneaky, Perverted, Child Raping, Child Killing, David Westerfield destroyed all the evidence. We know the evidence must have existed at sometime, but now it's gone. Who is the likely person to have destroyed our evidence? I simply ask you, who had BLEACH on their shopping list? I'm now counting on you to do the right thing in poor Danielle's memory and hang him. You owe it to her.
435 posted on 07/31/2002 5:00:59 PM PDT by John Jamieson
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To: nycgal
Exactly what I've been trying to say. Good heaven's! It's very easy to see it's greasy looking & hadn't been washed for days. EEEEEEWWWWWW
436 posted on 07/31/2002 5:01:37 PM PDT by the Deejay
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To: UCANSEE2
If you read the testimony as to the fiber and hair you would not say this. It wasn't LOOSE. It was BOUND up in the hair which was STUCK to the necklace.

I have pointed that out repeatedly, so your insinuation I haven't read testimony I keep posting isn't necessary.

This sounds like it was a huge wad of hair and I don't believe she was walking around with a huge clump of hair like that.

The witness made it sound like it was out of the ordinary and Feldman didn't even attempt to ask questions to paint it as if it were.

437 posted on 07/31/2002 5:02:10 PM PDT by cyncooper
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To: cyncooper
Post #397. You didn't say "IMO".
438 posted on 07/31/2002 5:03:35 PM PDT by Jrabbit
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To: cyncooper
IIRC there were no exact matches on the fibers. I believe the testimony states that they were similar. And as we have seen in the photos (and comments) earlier in this thread quite questionable
439 posted on 07/31/2002 5:05:39 PM PDT by nycgal
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To: the Deejay
It makes me sick to think that anyone who didn't know me or my kid would get a hold of a picture of her and start making comments.

I am around kids Danielle's age all the time and I know the difference between clean and unkempt.

440 posted on 07/31/2002 5:06:31 PM PDT by cyncooper
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