What made a handful of people confess to the 1985 murder of a 68-year-old grandmother in Beatrice, Neb.? A new true crime documentary series “Mind Over Murder” (HBO, 10 p.m.) looks into the case, in which the confessors were later exonerated by DNA evidence 20 years later.

A murder even further back, of an Asian-American draftsman by a white autoworker is reviewed in the award-winning 1988 documentary “Who Killed Vincent Chin?” making an encore appearance on “POV” (PBS, 10 p.m., check local listings) 40 years after the crime, whose perpetrator, despite a confession, never went to jail. 

The Stanley Cup Playoffs get another prime time network showcase with Colorado at Tampa Bay (ABC, 8 p.m.). The Avalanche are up 2-0 in the series. 

Qualifying rounds continue in San Antonio for “American Ninja Warrior” (NBC, 8 p.m.). 

Broadcast is awash with new episodes of game shows with “Don’t Forget the Lyrics!” (Fox, 8 p.m.), “Beat Shazam” (Fox, 9 p.m.) and “Weakest Link” (NBC, 10 p.m.). 

The president turned professor ends his series with a pair of episodes of “The American Presidency with Bill Clinton” (History, 9 p.m.). 

Paul takes his parents to the country on “Breeders” (FX, 10 p.m.). 

On “Irma Vep” (HBO, 9 p.m.), René recalls his relationship with his ex-wife, who once played the title role.