70-Year-Old Convicted of Stabbing Sister to Death

A 70-year-old woman was convicted Wednesday at London's Old Bailey of murdering her 69-year-old sister, a U.S. citizen and film director, by stabbing her 10 times in the neck and chest in her north London flat, then stealing a diamond-encrusted gold Rolex watch from the body.

Jurors found Nancy Pexton guilty of killing Jennifer Abbott on June 10, 2024, in Ms. Abbott's Mornington Place apartment in Camden. Pexton, who was homeless and had lived on benefits, arrived at the flat by bus around 12:45 p.m. after speaking with her sister by phone shortly before. She left about an hour later wearing blood-soaked blue dungarees and a black cowboy hat. Prosecutors said she slashed Ms. Abbott's neck, stabbed her multiple times, applied gaffer tape over her mouth and attempted to clean the scene before fleeing with the watch, a gift from Ms. Abbott's son that she never removed.

Ms. Abbott was last seen alive at 7:36 a.m. that day on doorbell camera footage returning from walking her corgi, Prince, who was later found alive but confined in the kitchen. The body, partially naked and decomposing, was discovered three days later on June 13 after a neighbor broke down the door with a scaffolding...