Cincinnati detectives probe the murder of a 56-year-old man who was beaten in the stairwell of his apartment building; in Dallas, a 28-year-old singer is found shot in his car in a drug deal that goes bad.

River's Edge

Original Airdate: 2008-09-09

Synopsis:

Minneapolis police work against the clock to solve the murder of an unknown homeless man found on the edge of the Mississippi riverbank.

In Cold Blood; Red Handed

Original Airdate: 2008-09-02

Synopsis:

A grandfather is shot after answering his front door; an elderly man is found strangled to death in his bedroom.

Collateral; Driven to Kill

Original Airdate: 2008-08-26

Synopsis:

Detroit police investigate a triple shooting that left a young mother and her friend dead; in Dallas a man is intentionally run down and killed by a car.

Unwelcome Guest; Wrecked

Original Airdate: 2008-08-19

Synopsis:

Memphis police must rely on physical evidence to track down the person who bludgeoned a man to death; Minneapolis police investigate the death of a man who was shot after a car accident.

Moving Out; Among Thieves

Original Airdate: 2008-08-05

Synopsis:

Memphis police investigate the death of a man shot outside his home; Dallas police track down the suspects in a carjacking spree that has left one man dead.

The Last Yard; Root of All Evil

Original Airdate: 2008-07-29

Synopsis:

Sgt. Eric Freeman leads the investigation of the murder of a University of Memphis football player; Tucson detectives Jennifer Whitfield and Mike Carroll investigate a double murder.

Bail Out; Seeing Red

Original Airdate: 2008-07-22

Synopsis:

Detectives in Dallas investigate a home invasion that left a young man dead; a hard-working grandfather in Cincinnati is murdered.

Blackout

Original Airdate: 2008-07-22

Synopsis:

A 22-year-old man is tied up and shot along with two of his friends during a robbery; detectives looking for the killers are taken on a cross-country manhunt.

Lester Street

Original Airdate: 2008-07-15

Synopsis:

Lt. Armstrong and his team investigate Memphis' worst mass murder in 15 years; the investigation points to gang-ordered directive to kill an entire family.