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NORTH HIGHLANDS — A man has been arrested in connection to an April 1 homicide and arson.

Crews responded to a fire at a mobile home on Costa Mesa Circle in North Highlands and found the body of 28-year-old Aryanna Lynn Doyle inside.

“We were inseparable. I fell in love with her. I fell in love with her son,” said Doyle’s husband, Josh. “I called him my own. He was the only child in my life and it kind of just played out perfectly.”

Perfect memories are all that Josh Doyle has to cling to five weeks after the love of his life died in the trailer fire.

It’s a fire the Sacramento County Sheriff’s Department now says was deliberately set by 37-year-old William Thomas.

“He was a person of interest initially and then was already in custody for other charges unrelated to this investigation,” said Sgt. Shaun Hampton. “He’s in custody at the Sacramento County Jail due to his charges.”

Those charges include another arson.

Though he says 28-year-old Aryanna Doyle was his world, Josh Doyle admits there were problems in their world. Both had struggled with alcohol and they had decided to take a break a week before she died. He says she befriended some homeless people during that week and was hanging out with them on April 1 in the trailer.

Now, her family is finding some peace with the arrest.

“Knowing that he’s not out on the street anymore, knowing that he can’t hurt anybody else,” Josh Doyle said. “He already did damage to us and now that we know he can’t hurt anybody else, it brings a little bit of comfort to me. There’s still battles that’s going on and it’s going to be a long road for him and for all of us, but we’re one step closer.”