Department of Forensic Sciences’ accreditation was suspended April 2, according to a notice posted on the website of the ANSI National Accreditation Board (ANAB). crime lab, already under investigation for its handling of a ballistics error in a murder case, has had its accreditation to perform forensic testing temporarily yanked. The Firearms Examination Unit houses the guns it collects from crimes inside the city’s department of forensics. Business & Finance Click to expand menu.