Speaking of lost evidence, that reminds me of something I heard on Fox last night.
Whoever was hosting the program (thing it was BOR) asked the guest this question: Do the police have Steve Croes's car impounded to check for evidence? The answer: No, his ex-wife needed the car, so it's now parked at the grandfather's house.
Well, there goes whatever might have been found in that car!
So there's another bit of negligence. Same thing with checking the soil on the tires of the various cars, course now its too late. They had no interest in solving this case from day one. jmo