what does sid stand for in law enforcement
SID stands for Scientific Investigation Division (law enforcement; various locations). Suggest new definition. This definition appears very rarely and is found in the following Acronym Finder categories: 1  Military and Government. 2  Science, medicine, engineering, etc. S.v.  2 SID.. 3  Retrieved October 11 2015 from http://www.acronymfinder.com/Scientific-Investigation-Division-(law-enforcement%3b-various-locations)-(SID).html. 4  APA style: SID. (n.d.) Acronym Finder.