Pubdate: Sun, 21 Mar 2004 Source: Liberal, The (CN ON) Copyright: 2004, Metroland Printing, Publishing and Distributing Contact: http://www.yorkregion.com/yr/newscentre/liberal/ Details: http://www.mapinc.org/media/2347 MOST LABS FOUND THROUGH TIPS York Regional Police Chief Armand La Barge said the force discovers most marijuana grow labs through tips from the public. In fact, he said the heat from inside a grow operation is, "enough to melt the snow off of the roof in the winter," making them easy to spot. Here are other signs the chief said may mean a house in your neighbourhood is a marijuana grow op; . lights on 24 hours a day: . covered windows; . heavy condensation on windows; . people coming and going at odd hours and only entering thorough the garage;. - --- MAP posted-by: Beth Wehrman