Twin girls lose mother, grandmother in Walnut Creek killings

WALNUT CREEK, Calif. - Two 8-year-old twin girls are without their mother and grandmother after both were slain at their Walnut Creek home , allegedly by the girls’ father.

The slayings happened Sept. 18 at the family’s home on Kelobra Court. The young girls were present at the time of the killings of Linlin Guo and her mother, Beimin Cheng.

Father charged in double homicide

What we know:

Guo’s husband, Howard Wang, 43, has been charged in the double homicide. He allegedly slashed the throats of his wife and mother-in-law. Sources say he then fired two shots from a 9 mm handgun and falsely claimed he had shot at a fleeing intruder responsible for the killings.

Mistress also charged

Dig deeper:

Wang’s mistress, Yan Wang, 45, of Oakland, is also charged in the case as an accessory