There is one thing Craig L. had to do with Foster post-mortem. There were no car keys found in Foster's pockets when he was found at the park, which leads one to ask how did he drive himself there to begin with.
And then severral hours later, at the morgue, a visit was made to the body by Craig L. and one other man, after which point Foster's car keys suddenly appeared in a pocket that had already been searched.
A set of keys appeared in a pocket that had already been searched. Kennedy and Livingstone arrived in two cars, left in only ONE. Do you wonder why?