PHILADELPHIA—The parents of a young doctor killed in her Philadelphia home says they're devastated by the death of their daughter in a senseless act of violence.



A 36-year-old exterminator is charged with strangling Ketunuti with a rope after the two got into an argument, then tying her up and setting her body on fire.

Police say Jason Smith of suburban Levittown admitted to the crime. He is being held without bail.

Ketunuti was a researcher at Children's Hospital of Philadelphia.