Brazilian police have disguised themselves using fancy dress to blend in as Carnival-goers to target phone thieves in Rio de Janeiro. The undercover officers donned masks depicting Captain America, Batman and Jason Voorhees from Friday the 13th, among others, to nab a pair in the act, Brazil's Civil Police said. The two people were arrested after a woman was spotted by a drone grabbing a phone from someone attending Rio's famed Carnival before passing it to her alleged male accomplice, they