Investigation Discovery HD

In Arizona, a police officer and firefighter respond to a vehicle collision; in Florida, police pursue a suspect who chooses an unexpected escape route; in Georgia, officers hunt an armed man hiding out in the woods.

The police find the wife of a California fertility doctor dead at the bottom of a staircase in their San Clemente home.

In Louisiana, Megan Parra's parents find the kindergarten teacher at home with a gunshot wound to her head; authorities rule her death a suicide, but her family alleges foul play at the hands of her husband.

Jennifer Snyder is a shy vet tech who falls for her boss, a driven young doctor; overshadowing their steamy affair is a controlling wife and a surprise pregnancy announcement that sets in motion a cold-blooded murder plot.

Zach Sanders is torn between the woman he loves and the mistress who refuses to let him go; jealousy, obsession and news of a surprise engagement leads to a deadly case of road rage.

Sharmon Intili believes she's met the man of her dreams, while her friends think otherwise; a messy breakup and the rekindling of an old flame puts into play a murderous plot to wipe out the competition.

Barbie Dailey goes looking for love online and meets Josh, who appears to be the answer to her prayers; when Barbie's friends uncover a dark secret, their fairytale romance is consumed by obsession, jealousy and a killer rage.

In Middle River, Md., 1994, a murder rocks a family's Christmas celebration; a woman prepares a holiday dinner for a son who never arrives; a detective unearths a dark secret that shatters a town's faith.

Paskiel Wolfe seeks revenge for the dismemberment of his son; 18-year-old Brook Weber desperately tries to escape from the metal footlocker in which she has been imprisoned; a rookie detective is assigned to a case that will define his career.

In Rockville, Md., 1993, a woman finds her sister and nephew killed in cold blood; a daughter becomes an unwitting pawn in a brutal murder plot; a prosecutor makes it his personal mission to bring a killer to justice.

An 11-year-old girl makes a gruesome discovery in her own home; a woman is desperate to reach her mother but has a sickening feeling that something horrible has happened; a murder case rattles a homicide detective to her core.

Doug and Rose fall in love and get married; however, lies and deceit surface behind their seemingly perfect facade as seen on home videos; then, a no-show at Thanksgiving and a box on the side of the road lead to a shocking discovery.

When popular teacher Simeonette Mapes-Crupi is found dead in her Staten Island condo, all evidence points to a brutal robbery gone wrong; as detectives dig deeper, they uncover a wealth of secrets.

The close bond between cousins Mark Corona and Paul Stoeppler is quickly severed when one of them is murdered in cold blood; never-before-seen home movie video and shocking CCTV reveals what happened.

Sandy Miles and her daughter Tracie are extremely close; when Tracie vanishes and Sandy is found brutally murdered, the truth behind the killing is more horrific than investigators could have possibly imagined.

Hyrah Frasch is no ordinary baby; the photogenic 1-year-old already has her own website and looks set to become an internet sensation.

Young parents Adrienne and James Magee work hard to provide a stable life for their three small children in rural Louisiana. However, beneath the idyllic scenes lurks a dark secret, culminating in a heinous double-murder at the hands of a loved one.

A successful Florida family has their American dream shattered when a mysterious figure dressed as a clown shoots a loving mother on her doorstep; the case goes cold for decades until an unexpected break helps bring the killer clown to justice.

Investigators find a young woman murdered in a California apartment, throwing a tight-knit theater group into chaos. As they search for answers, suspicion spreads through the cast, leaving friends to question who they can trust.

After someone kills former NBA star Lorenzen Wright, rumors of unpaid debts and cartel connections spread through Memphis; as speculation grows, Wright's mother pushes for answers and refuses to let the case fade away.

Middle school cheer captain Tristyn Bailey is the future of Friday night lights at Creekside High; police investigating her disappearance have to navigate teenage rumors and gossip in their small Florida town to identify a monster in their midst.

Investigators find a young woman murdered in a California apartment, throwing a tight-knit theater group into chaos. As they search for answers, suspicion spreads through the cast, leaving friends to question who they can trust.