According to an obituary, Leffert left behind a wife of 15 years. He had worked as a police officer and an immigration enforcement agent before recently accepting a position as a special agent with the U.S. Department of Homeland Security, the obituary said. 

https://www.stltoday.com/news/local/metro/st-louis-man-drowns-during-float-trip-on-meramec-river/article_550413cd-16d4-5835-be1f-e7a46584cacd.html