A fifth person is in police custody in connection to a fatal fire at a Spring Valley assisted living facility in March.

Manuel Lema turned himself in on Friday. Six people were charged earlier this week, but police are waiting for one more person to turn themselves in.

Nathaniel and Aaron Sommer independently hired to make the kitchen Kosher. They are facing the most severe charges connected to Evergreen Court.

Court documents allege the Sommers used a propane tank marked for "outdoor use only" to "heat appliances, surfaces and other items in the kitchen."

They face up to 15 years in prison if convicted.

There is no word yet on Lema's connection to the fire. The district attorney has only said the charges stem from "actions within the facility prior to the fire."