A man believed to have assisted federal investigators and journalists looking into Deutsche Bank was found dead in Los Angeles, local officials said.

A cleaning crew found the body of Val Broeksmit, the adopted son of the late Deutsche Bank executive William Broeksmit, on Monday morning, according to CBS News. The 45-year-old was declared dead around 7 a.m. on the Woodrow Wilson High School campus, according to the Los Angeles County Coroner. An autopsy is underway to determine the cause of death.