Brian Dortort, 48, said Thursday he has spent weeks searching for his 4-month-old pooch, named Hudson Hayward Hemingway. The dog, about the size of a softball, was in a specialty pet bag.
Dortort said he let a man hold the Chihuahua for a moment during a friend's birthday party, then both of them disappeared.
Police said a suspect has been identified, but it's up to the Broward State Attorney's Office to decide whether to an issue an arrest warrant.
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Information from: South Florida Sun-Sentinel, http://www.sun-sentinel.com