Season 5

When a housewife dies in her hot tub, detectives in a normally quiet Idaho town first believe it to be a horrible accident. But the investigation leads back to the unsolved murder of her husband, reminding police that lightning never strikes twice.

When a pregnant Army wife and mother is found shot to death in her home, it is ruled a suicide. But dogged police work unlocks a devious plot and secrets buried in ashes thousands of miles away.

A former Gang Unit investigator is found dead in his crashed van on the freeway, and all signs point to a DUI. But when four bullets are found in his body, a decade-long homicide investigation must consider gang retribution or lover's revenge.

Jennifer, a well-liked college student was found dead under suspicious circumstances. The case dragged on for years as the findings of police investigators and medical examiners seemed to conflict with each other and with the testimonies of those who knew her.

When a group of hospital patients dies of natural causes, authorities become alarmed. It takes more than 20 years and a dedicated investigation team to convict a murderer.

A couple's pickup is found submerged in a lake, and the wife's death appears to be the result of a horrible accident until investigators learn that not everything is as it seems in this pair's union.

A man is found in a west Los Angeles alley, dead from an apparent hit and run. When investigators dig deeper, strange suspects emerge in a twisted tale of greed.

When a man is found burned to death in his home workshop, his wife is charged with murder. The ensuing arson investigation points in a very different direction.

A deadly fall in the shower claims the life of beloved community leader Leslie Neulander in Dewitt, NY, but when a friend and former medical examiner voices her suspicions, the case takes a shocking turn.

When the body of William Sparkman is found hanging from a tree with his arms bound and FED scrawled on his chest, Kentucky State Police and the FBI must unravel a complicated mystery.

A prominent booster with ties all the way to the top of 'Bama football suffers a fall from grace. As he fights to clear his name, his naked dead body is found by his housekeeper in a bloody scene that appears to be a violent murder.

A well-known rock climber is found dead at the bottom of a cliff, shocking his family and the local climbing community. However, a closer look reveals more sinister details and dedicated investigators must determine the tragic truth.

When a woman is found dead in the woods, she is the assumed victim of a tragic hunting accident. Police work uncovers a truth that shakes the peaceful existence of a small, tight-knit village.

When a woman drowns in her tub, police think a recent purported suicide attempt holds the answer. But two years later, when her husband confesses to the murder of his second wife, the cause of the first wife’s death comes into question…

When an experienced outdoorsman is found viciously stabbed to death on a hunting trip, investigators work tirelessly to eventually uncover the stunning truth.

When a wife is found drowned in her bathtub, her last written wishes point to suicide. A determined family and relentless detective ask if the answers lie in her obsession with death or the devious web of a cheating husband.

When a couple crashes into a creek along a rural motorway, investigators believe it's a tragic accident. However, a dogged coroner and newly appointed prosecutor join forces to uncover the bizarre truth of what happened that deadly December night.

When a woman taking a whirlpool bath for some much-needed self-care is found dead in the tub, a 10-year investigation reveals dark currents lurking beneath the surface.

When a wealthy socialite dies after falling down a staircase, the question arises if it was an accident or a murder. Investigators must rely on physics to determine the answer.

When a popular small-town doctor is found dead in a house fire, his caretaker’s son is charged, convicted and sentenced, but years later a fresh look leads to a different conclusion.