When 29-year-old Australian mum Sharon Siermans called short a date with a man she met online, he later took revenge by beating her to death with a cricket bat.

The case of South Carolina mother-of-three Ashley Pegram who was drugged, raped and beaten to death by a man she met on a dating app just a few hours earlier.

The disturbing story of the murder of teenager Kayleigh Haywood who was groomed online by a stranger and then brutally raped and killed by an accomplice.

When 62-year-old Lorraine Long from Arizona ended a relationship with a man she had met on an online dating website, he shot her dead in a fit of jealous rage.

The murder of 15-year-old Adelaide schoolgirl Carly Ryan by paedophile Garry Newman, who lured her away from her family by creating fake online personas.

How the brutal murder of Clare Wood by an-ex boyfriend she had met online led to the rolling out of a new law to protect people against violent partners.

When Nicole White went missing after a date with a man she met online, the police later linked him to the remote spot in Washington where her body was found.

Shining a frightening light on the world of social media murders. The murder of Nadine Aburas from Cardiff by a businessman she met on a dating site in 2012.