Crime | guinea pig Cops on Marijuana Raid Find Only Guinea Pigs 'Hot spot' was caused by pets' heater, not grow lights By Nick McMaster Posted Jan 13, 2011 4:32 PM CST Updated Jan 16, 2011 4:30 PM CST Copied A Peru Guinea Pig, dressed as Santa Claus, is displayed during a Guinea Pig feast in Callao, Monday, Dec. 15, 2008. (AP Photo/Karel Navarro) UK cops thought they'd found the marijuana mother lode—infrared scanners on a helicopter indicated a large, concentrated use of electricity in a house located in the West Yorkshire town of Odsal. The heat signature screamed pot nursery, but when police arrived, they found the last thing they expected: guinea pigs. A local elementary-school teacher who lives in the house said she received a call at work. "The police came on the phone and said: 'We think you're growing cannabis in your garage,' she told the BBC. "I said: 'No, it's a heater to keep my guinea pigs warm because it's been so cold.'" Police later apologized for the mix-up. Read These Next New Fox star, 23, misses first day after car troubles. Iran's supreme leader makes first public comments since ceasefire. Her blood isn't compatible with anyone else's. Trump's spy chiefs back up his Iran claims, citing new intel. Report an error