Major Strasser has been shot... round up the usual suspects.
(by extension,informal) The people or things that would be routinely expected to appear in a particular context.
2014 September 29, Matt A.V. Chaban, “A Bid to Make the Park Lane Hotel a Landmark, but Not by the Usual Suspects”, in New York Times[1]:
And yet a quiet campaign is in the works to secure landmark protection for the 46-story limestone and glass tower. It is not being led by the usual suspects, like preservationists, community groups or politicians.
2016 March 9, Hugh Schofield, “France unions and youths protest against labour reforms”, in BBC News[2]:
It was - to be only a little bit unfair - all the usual suspects at the Paris demo. Trotskyite students chanting against the patriarchy; anarchists; grizzled veterans of '68; plenty of pensioners; theatre-workers. In other words the regular left-wing alphabetti-spaghetti.