The robberies took place on August 25.
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Authorities released images on Thursday.
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You can see each of the men inside the Great Mall Home Depot.
That is where the first robbery took place.
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Officials say the men then went to Valliani Jewelers for a smash and grab.
Detectives are also talking with Modesto police about a similar incident at the Valliani Jewelers in Vintage Faire Mall.