Investigation Discovery HD (Pacific)

A single mother comes home to find a serial killer holding her disabled sister hostage; he tries to kidnap her young son, but she begs him to take her instead; she is at his mercy for days, and to survive, she must get him to fall in love with her.

A killer guns down a man during a home invasion; the evidence points to a well-planned crime; can police find who's behind the attack?

The search for the man who murdered a single mother might lead police to the perpetrator of a second brutal crime with chilling similarities.

A mother mourns her two children, one in heaven and the other in jail.

A whirlwind romance ensues after beautiful and mysterious Rebecca Thudin meets dashing Larry Fenton; their union appears to be a match made in heaven, until a murder exposes a tangled web of lies, deceit and buried secrets.

Todd and Rachel Winkler's life looks exquisite from the outside, but inside things are falling apart; video footage shows the truth behind their seemingly happy marriage, revealing terrible secrets and mind games that culminate in murder.

In Springfield, Ill., an infant girl is found in a sweltering sports utility vehicle, leading to the discovery that the baby's young mother has gone missing; a frantic search leads to an eerie sight at the edge of town.

In a Georgia suburb, a woman is killed while her best friend is hospitalized in a separate attack; investigators seek to uncover connections showing that some members of the victims' families are much closer than anyone knew.

A couple is gunned down in their home in the middle of the night; evidence points to the couple's relatives, sending cops down a path that has dire results for a suspect.

A mother of three adult children is stabbed in her home in the middle of the day; detectives find a few unlikely suspects while scrutinizing the victim's life; however, it will take years and one bold wiretap to uncover what really happened.

Two old friends reconnect when they end up renting a house together from an absentee landlord; familiarity quickly turns into frustration, and an abusive relationship escalates to a violent death.

A young woman moves out of her parents' house and in with her boss, but freedom comes with a cost, and when she is unable to pay, she loses control and death follows.

A hospital worker invites a colleague, who's fallen on hard times, to come live with her; but the good deed backfires, and it only takes a few weeks before a stealthy betrayal turns into a gruesome crime.

A man rents out a room to an old buddy, but their contrasting living habits create chaos in the house; tiny arguments turn into petty crimes, resulting in a vicious fight that turns deadly.

When neighbors find a young teacher axed to death on Friday the 13th, a sleepy suburb fears a psychopath is loose; the bloody crime scene leads police to a most unlikely suspect, unfolding a story people still have to see to believe 40 years later.

A mother's bond to her daughter is put to the ultimate test when one of them shoots a man dead.

In May 2002, a couple goes missing in Ocean City, Maryland, almost as if they vanished into thin air, until a random, late-night burglary leads police to discover a tale of deception, brutality and savagery.

A 19-year-old coed leaves her apartment and never returns; when her body is found in a desert river basin, police and internet sleuths wonder if she was a victim of an alleged killer known as the Zombie Hunter.

In 2011, a husband returns home to find his wife dead on the living room floor; he tells first responders she committed suicide, but it was murder; police zero in on the husband and what unfolds is one of the most outrageous tales in recent history.

In 2011, a husband returns home to find his wife dead on the living room floor; he tells first responders she committed suicide, but it was murder; police zero in on the husband and what unfolds is one of the most outrageous tales in recent history.

A shared cheesecake leaves a woman near death; detectives link her case to another poisoning, they uncover a fugitive using charm and a rare sedative to rob and reinvent herself; a hunt across New York exposes a chilling impostor.

Nineteen-year-old Cooper dives into the LA lifestyle of TikTok viral videos, famous collaborations and content house parties. Then Cooper sets up a Discord to talk about addiction and mental health with his followers, which exposes the dark side of fame.