CUTLER BAY, Fla. — A quiet Sunday afternoon in a South Florida home turned into a scene of unimaginable horror, all beginning with a dispute over a cellphone. A 15-year-old girl, waking from a rest on her living-room couch, was violently and repeatedly stabbed, allegedly by her own 26-year-old sister.
The teenage victim awoke around 3:20 p.m. to a profound sense of violation: she found her older sister, Lynn My Le, standing over her and rifling through her private cellphone, according to an arrest document.
What began as a typical sibling confrontation over privacy quickly spiraled into a bloody nightmare. When the 15-year-old confronted Le and tried to reclaim her phone, Le allegedly snapped. Authorities say the 26-year-old woman, in a fit of rage, armed herself with a knife from the kitchen…