A San Dimas woman was charged with murder in the recent Diamond Bar death investigation case

(Photo Courtesy: DMV)
Murder suspect, Un Young Lee

Staff Reports

Diamond Bar – On Fri., Mar. 27, Un Young Lee, 42, of San Dimas, was charged with the murder of her mother-in-law, which took place sometime between Mar. 23 and Mar. 25, according to the Los Angeles County District Attorney’s office.

The L.A. County Fire Department responded to a structure fire in the 1200 block of North Diamond Bar Blvd. at approximately 1:05 a.m. on Mar. 25.  During exploration into the cause of the fire, arson investigators received information that the resident at the location – Young Ja Lee, 77 – was possibly killed by another female, who may also have started the fire.  This person of interest was said to be driving to the Tustin area with the victim in her vehicle.

According to the prosecutor, Deputy District Attorney Michelle Dodd of the Elder Abuse Section, Un Young Lee was located by Tustin Police personnel at around 7 a.m. on Mar. 25, with the remains of her mother-in-law inside her minivan.

Lee is being held in lieu of $1 million bail.  Her arraignment has been set in Pomona Superior Court on Apr. 24; if convicted, she faces a possible maximum sentence of life in state prison.