Drugs seized by police in Essex after an officer sniffed out a cannabis farm while on the way to work. See MASONS story MNFARM; Keen-nosed cops sniffed out almost 1,000 cannabis plants on their way to work. The two officers from Essex police became suspicious after cycling past the building and decided to investigate further. After further enquires they got a search warrant and raided the building in Boreham, Essex, on Wednesday (29/12). Officers used a disc cutter to force their way inside where they discovered hydroponics set-up to grow 991 plants. Pc Lee Devall tweeted after the raid: “Team effort, the day shift have been clearing 911 cannabis plants from the warrant in #Chelmsford yesterday!”