MIAMI — A man and his 11-year-old grandson found a little more than they were looking for during a weekend fishing trip. The pair pulled two .50-caliber Barrett sniper rifles out of a canal near Miami.Duane Smith told the Miami Herald he saw a YouTube video on magnet fishing and decided to give it a try on Sunday. They dropped a 5-pound magnet in the C-102 canal in southern Miami-Dade County.