DISCOVERY BAY (KPIX 5) — The grieving family of a Discovery Bay man murdered during a crime spree across Contra Costa County say they never knew their sibling took in the alleged killer’s son and mother of his child as residents in his home.

The family of Michael Iliff, 64, also told KPIX 5 he was killed on the same day his own daughter had given birth to his grandchild.

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The Contra Costa County Sheriff’s Office said Iliff was found shot multiple times inside his home. His siblings told KPIX 5 he had just retired from Caltrans and was the type of person to always help others.

In this case he was helping out the now missing mother and son by letting them live in his home, his family said.

On Monday, Iliff’s brother and sister drove to Discovery Bay to retrieve their brother’s dog following his murder. Joan Iliff said she had just talked to her brother a few days ago.

“I spoke to him last Friday and he was fine,” she said. “He tried to help people, probably a little too much … You know, he’s the kind of person that just wouldn’t hurt a fly. Probably not afraid of people that he should’ve been.”

The family says they weren’t aware he was letting 31-year-old Kimberly Meeks and her four-year-old son live in his home  but that also didn’t surprise them.

“I think he was trying to help her,” said Joan Iliff.

The suspect police say killed Iliff is 26-year-old Darryon Williams, the father of the missing boy. Williams is now custody but not before he allegedly set out on a cross-county crime spree, including opening fire and injuring a paramedic and firefighter tending to an injured man at a Panda Express in Antioch, and an armed robbery at a Brentwood convenience store.

Today detectives were at Iliff’s home searching for evidence. They also towed a car. The mother and boy who he took in are still nowhere to be found.

Iliff’s family said his daughter had just given birth only to find out her father had been killed the same day.

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“Can you imagine having a baby and being so joyful and then getting a call an hour later your father has been murdered?“ said Joan Iliff.

Juliette Goodrich