background check

US /ˈbæk.ɡraʊnd ˌtʃek/
UK /ˈbæk.ɡraʊnd ˌtʃek/
"background check" picture
1.

a check of a person's financial and criminal history, typically conducted by a prospective employer or landlord

:
All new employees must undergo a background check.
The landlord conducted a thorough background check on all applicants.