After the First 48

In 2008 Mohamed Abdelrahman, a Darfurian immigrant, was shot and killed in his store during a robbery in Louisville. When one defendant turns on the other two, the trial becomes every man for himself.

In Memphis, a 79-year-old man, beloved in his neighborhood, is shot dead. Also in Memphis, a young female tattoo artist is killed in her shop. The alleged shooter faces the death penalty.

In 2009, John Craig Froelich, II was shot and killed while taking his girlfriend to buy drugs in south Houston. Without forensic evidence, prosecutor Terrence Windham had to rely on three eyewitnesses who all had credibility issues.

In January of 2009, Louisville resident Billy Wagner was killed in the street by a single bullet to the back of the head. After nearly two weeks, Det. Rick Arnold charged 20-year-old Gary Lindsey with murder, but the story was far from over.

Revisiting the case involving the murder of Louisville, Ky., celebrity LaShawn "Sugar Shizz" Talbert in August 2010; the alleged drug dealer in the crime claims self-defense in a post-trial interview.

In Miami, Detective Freddie Ponce arrests a man who tortured and killed his childhood friend. In Birmingham, a young mother is killed in front of her children.

Lt. Caroline Mason revisits the 2007 homicide of a 19-year-old man shot to death during a street fight that got out of hand. And, a prosecutor's case comes close to collapse when an unforeseen twist of fate threatens to let an alleged murderer walk.

A brutal shooting eaves a single mom mourning her only son. And, a motorist calls 911 in the middle of the night, but when responders arrive, they find the caller shot dead.

In Miami, Florida, 25-year-old Pedro Roteta is stabbed in the middle of the street and left to die. And in Dallas Texas, a man is stabbed to death in an alley and the sole suspect disappears over the Mexican border.

A woman's dismembered body is found beneath an overpass in Tucson, Arizona. Then, a weekend getaway in Dallas, Texas turns deadly when a woman is shot to death by her cousin's boyfriend.

After an unidentified man's stabbed body is found in a vacant Dallas, Texas apartment, two suspects both admit to setting up the man for robbery--and blame each other for the murder.

In two cases in Louisville, Kentucky, detectives arrested suspects whose actions were caught on videotape? But will the surveillance tapes help the prosecutor's case--or help the defendants walk free?

A beloved father of three is gunned down outside his home during a robbery gone wrong. Investigators catch a lucky break with a surprise piece of evidence.