Unlatch door lock, quick metal click
Swat team personnel carrier, clunking of door unlatching, interior perspective
Click and small squeak of briefcase latch undone
Unlatching window, brief metal click
Car seat belt pulled over body and locked into clasp, then unlatch.
1970 Toyota Crown. Quiet latch unlocked, heavy trunk opened, & closed with solid metallic thud
Briefcase latches opened, one slightly after the other, then closed
Briefcase latches sprung open, soft