Elizabeth Vargas

Then a huge break from a mystery man who walks into the police station one night. Adam Hipp, a bank teller who once went to high school with Bart.

Then a huge break from a mystery man who walks into the police station one night. Adam Hipp, a bank teller who once went to high school with Bart.

Adam Hipp claims Bart tried to recruit him as a shooter in an earlier murder plot.

Adam Hipp claims Bart tried to recruit him as a shooter in an earlier murder plot.

Sergeant Slott decides to hatch a plot of his own. He enlists Adam Hipp to trick his friend Bart on a tapped phone line.

Sergeant Slott decides to hatch a plot of his own. He enlists Adam Hipp to trick his friend Bart on a tapped phone line.

On the phone tap, Bart agrees to pay Adam $20,000 in hush money. You say at least $20,000?

On the phone tap, Bart agrees to pay Adam $20,000 in hush money. You say at least $20,000?

Using a courier service, he sends HIP a $250 down payment. But then he does something brazen, signing the way bill with the name of a murderer borrowed from a Hollywood movie.

Using a courier service, he sends HIP a $250 down payment. But then he does something brazen, signing the way bill with the name of a murderer borrowed from a Hollywood movie.

Kaiser Soze, played by Kevin Spacey, is the criminal mastermind in the hit film The Usual Suspects.

Kaiser Soze, played by Kevin Spacey, is the criminal mastermind in the hit film The Usual Suspects.

Now the police know they must warn Kent about his son.

Now the police know they must warn Kent about his son.

But to protect the investigation, Sergeant Slott gives no details to Kent Whitaker.

But to protect the investigation, Sergeant Slott gives no details to Kent Whitaker.

Despite the warning, Kent lets Bart move back home. And for the next several months, Bart spends every free moment with his father, playing the perfect son, studying the Bible.

Despite the warning, Kent lets Bart move back home. And for the next several months, Bart spends every free moment with his father, playing the perfect son, studying the Bible.

Seven months after the murders, Bart's abandoned SUV is found engine running outside a Houston apartment complex.

Seven months after the murders, Bart's abandoned SUV is found engine running outside a Houston apartment complex.