Former child star Evan Ellingson‘s official cause of death has been revealed … and fentanyl is to blame.

The San Bernardino County Sheriff-Coroner Department finished its investigation, telling TMZ the late actor died from an accidental fentanyl overdose.

We broke the story … Evan was found dead Nov. 5 at a sober-living home in San Bernardino County, officials said there was no foul play involved and law enforcement found drug paraphernalia at the scene.

Cops looked at the case as a possible OD … and Ellingson’s autopsy and toxicology report revealed fentanyl as the culprit.

While Ellingson struggled with drugs in the past, his father Michael told us he was doing better as of late.

Evan is best remembered starring opposite Cameron Diaz in the 2009 movie, “My Sister’s Keeper,” where he plays her teenage son. Ellingson was also famous for his recurring role as Kyle Harmon on “CSI: Miami” … appearing in 18 episodes over 3 years.

Despite getting his Hollywood career started at 13, Evan died at 35 and did not have any acting credits since 2010.

Source: Read Full Article