This The Mentalist screencap contains
bannister, ukingo, balustrade, balusters, handrail, banister, stairwell, taasisi ya adhabu, adhabu kituo, taasisi ya kuurekebisha, and kituo kuurekebisha.
There might also be
jela, jailhouse, gaol, clink, slammer, poky, pokey, jail, ghala, kuhifadhi ghala, ghala ya kuhifadhi, kufanya kiini, holding cell, and kufanya seli.