Noun
The people, often scapegoats, routinely arrested in response to a crime.
(by extension, informal) The people or things that would be routinely expected to appear in a particular context.
Source: en.wiktionary.orgI'm crazy about the Coen brothers, I'm crazy about Sean Penn. I love the usual suspects like Susan Sarandon, Meryl Streep and people like that. Jacki Weaver
A surprising number of teens I meet in rougher schools around the country find refuge in novels and creative writing. It's not always the usual suspects either, the high achievers. Matt de la Pena