The phrase "investigation unit" refers to a team or department that is responsible for gathering information, examining evidence, and conducting inquiries to uncover facts and solve mysteries or crimes. Full definition
He began his career in employment screening in 1996 with a private investigative firm and has also worked as an investigator in the special investigations unit of a large workers compensation insurance company. (esrcheck.com)
The new safety investigation unit will also be asked, once established, to consider a particular focus on maternity cases for its first year. (gov.uk)
She also says she plans to grow the special investigation unit to include more drug details and gun investigations. (wxxinews.org)