Man accused of killing 5 was to be charged with 2014 death

MODESTO, Calif. -- A Central California man suspected of killing his mother, a woman and the baby daughter they had together, and two other children last weekend was about to be charged with killing another of the woman's children last year -- a 2-year-old boy who suffered head injuries.

Martin "Marty" Martinez had been under investigation since the Oct. 2 death of a toddler whose mother, Dr. Amanda Crews, was among the victims found Saturday in the Modesto home Martinez used to share with her.

Authorities have not determined a motive or released how the five died, including Martinez's and Crews' 6-month-old daughter, her 6-year-old daughter from another relationship and an unidentified 5-year-old. A pathologist concluded last week 2-year-old Christopher Ripley died of blunt-force trauma to the head, the police chief said.