You can read about it here:
http://www.baxterbulletin.com/article/20130402/NEWS01/304020026/Parks-may-not-acted-alone
Correction :
Now almost 20 years later his son has plead no contest to the murder of his step father.Dr. Millstein
Motive?
A 500,000 life insurance policy
Possible accomplish ? the wife of both murdered men and the mother of the murderer Gary