Four Davis residents were robbed at gunpoint on Thursday night in a span of less than two hours, police said.
Sacramento police are searching for robbery suspects who may be linked to two robberies this morning.
Authorities are trying to identify a man believed to be responsible for at least four armed hotel robberies in a single week.
A serial robber who held up a packed Subway sandwich restaurant is believed to be the same man who has robbed at least five other stores in the past two months.
The Sacramento Violent Crimes Task Force arrested a man Thursday who they say is believed to be responsible for a series of armed robberies.
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