This The Mentalist screencap contains
drehtür, revolver, strafanstalt, strafvollzugsanstalt, justizvollzugsanstalt, and strafrechtliche anlage.
There might also be
arrestzelle, arrestzelle., geschäftsanzug, business-anzug, gefängnis, klirren, knast, poky, pokey, jail, jailhouse, gaol, clink, and slammer.