Hashtag Homicide

A dating app connected Gordon Semple to his killer, who murdered him after the two arranged a date.

Nik Bird was fatally shot; a series of chilling Facebook posts led police to an obsessed stalker.

Ellen Higginbottom was killed in a premeditated attack; her final movements were documented.

Podcast host Zohreh Sadeghi and her husband were murdered by a stalker.

Teen gamer Breck Bednar was groomed online by Lewis Daynes, leading to a shocking and tragic murder.

The murder of Daisy De La O sparked the viral movement #JusticeforDaisy.

Ali Abulaban's online fame turned deadly, resulting in murder and a trail of digital evidence.

Gabby Petito's road trip turns tragic, with social media driving the search.