The story of Martin Tankleff is a very interesting one.
His father was involved in all sorts of shady business deals prior to his death and there are many suspects.
It does appear that the police told him if he confessed he could go see one of his parents who was not dead yet but really was. The police totally lied to the boy.
Tough situation and even more interesting is nearly his entire family and those of both his parents believe he is innocent.
I’ve seen numerous shows on this. It sure looks like his father’s partner had motive and opportunity... plus, he seemed sleazy.