Construction worker Heber Enoc Diaz of Pasadena was convicted of brutally slaying Chyong Jen Tsai, 76, with a hammer, a jab saw and a box cutter during a 2019 burglary.

Chyong Jen Tsai is pictured in this undated photo. A construction worker has been convicted in the killing of a 76-year-old woman during a 2019 burglary at her Arcadia home.

A man pretending to be a construction worker shot a woman in the back, police said. OfficialYRP/YouTube The suspect and victim talked for a long time outside of her property before the attack.