"When Maria Munoz dies from an overdose, it looks like suicide. That is until doorbell camera footage reveals a dark story of love, betrayal and murder."

"When Robert Penn is murdered, it appears a stranger is responsible. But a doorbell cam points to someone close to home."

"When tech CEO Fahim Saleh is found dismembered in his Manhattan home, elevator footage reveals his killer \u2013 and a shocking betrayal."

"When NBA star Andre Emmett is gunned down outside his Dallas Home, doorbell footage helps police trace the killer \u2013 the motive turns out to be pure greed."

"When 16-year-old Ronan Kanda is killed with a ninja sword in Wolverhampton, CCTV and doorbell cams uncover a chilling tale of teenage revenge and mistaken identity."

"A teen calls 911 after his mother is attacked by a man with an axe. Her violent ex-partner is caught on doorbell cam carrying the weapon. Her family say the system failed her."

"A police officer reports his wife has shot herself. But doorbell cam records a Sheriff\u2019s Deputy calling at the house earlier casting doubt on his testimony."

""