Can police officers bring up charges for an unrelated crime discovered during a search warrant?

Question Details: I live in a house with roommates. This morning we were contacted by the police stating a lost/stolen cell phone was tracking to our house. We did not get searched but the officers said they will get a search warrant if needed. I see several posts that the officers may seize more than what is listed in the warrant if they find more illegal activity. I've heard that the warrant only applies to items listed in the warrant or associated to items listed in the warrant. Can charges be brought up against people not listed in the search warrant, for items not listed in the warrant? For example, in CO you may have up to 1 oz of marijuana. If the officers found more than 1 oz, could they bring charges for illegal possession of cannabis if they found it while searching under a warrant for a stolen phone?

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