# David Paulides

david paulides is a former police detective who is now an investigator and writer known primarily for his self-published books, one dedicated to proving the reality of Bigfoot, and his Missing 411 series of books, in which he documents the disappearance of people in national parks and elsewhere. Paulides attributes mysterious, unspecified causes to these disappearances, while data analysis suggests that these disappearances are not statistically mysterious or unexpected. == Early life and career == In his online biography page, Paulides states that he received his undergraduate and graduate degrees from the University of San Francisco, and in 1977 he began a 20-year career in law enforcement, transferring in 1980 to the San Jose Police Department, working in the patrol division on the SWAT Team, patrol, and Street Crimes Unit, and a variety of assignments in the detective division.