Investigation Discovery HD (Pacific)

In Washington, officers respond to a domestic assault and potential hostage situation; in Illinois, a deputy is shot, leading to a multi-agency manhunt. In Connecticut, officers chase a robbery suspect who will stop at nothing to escape.

A man finds his girlfriend strangled in a bedroom closet and becomes the main person of interest; a mother and daughter face accusations after someone kills a man in the most horrific way.

On March 27, 2015, Tierra Hall hugs her mother goodbye for the last time; 24 hours later, the teenager's dead body is discovered outside an abandoned house.

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.