20/20 on OWN - Season 4

A botched burglary leaves a teen dead and his friends serving 45-year sentences. Also: A homeowner shoots an intruder; and football players are accused of rape.

A father recruits his kids to help him rob banks; and a boss gives a long-suffering employee a "special" job.

An apparent random shooting isn't what it seems; a woman uncovers a secret while digging into her family history; and a bank employee is a pawn in a robbery—or, perhaps, the queen.

The case of Washington, D.C., power broker John Michael Farren, who was convicted of attempting to murder his wife Mary Margaret in 2010 after she served him with divorce papers. In 2014, after being found guilty, he was sentenced to 15 years in prison.

Friend vs. friend results from a confession; a Little League rivalry leads to a family fearing for their lives; and a woman who enjoys the high life turns out to be her friends' worst enemy.

Diane Sawyer reports on women behind bars and the families they left behind. Other stories examine the duel between inmates and officers over prison contraband; and what life is like for mentally ill offenders serving time.

The case of Shelby Wilkie, a North Carolina woman and new mother whose husband Michael reported her missing on Jan. 2, 2012.

The police investigate an odd case in which a man claims his girlfriend was abducted by an intruder in a wet suit.

The case of a baby stolen from a hospital a day after his birth in 1964 Chicago. The FBI believed it found the child a year later and returned him to the parents, but 50 years later a DNA test showed that he was not their biological offspring.

Taya Kyle discusses the life of her husband, U.S. Navy SEAL Chris Kyle (1974-2013), whose life and military career was portrayed in the film "American Sniper."