| a collection of portraits of criminals and suspects maintained by the police for purposes of identification. |

| rogues' gallery (rōgz) n. A collection of pictures of known and suspected criminals maintained in police files and used for making identifications. |
rogues' gallery
A police collection of pictures of criminals and suspects kept for identification purposes. For example, The detective went through the entire rogues' gallery but couldn't find a match with the suspect. [Mid-1800s]