The masked man who firebombed an Orthodox Jewish school in Outremont on the weekend initially aimed his burning Molotov cocktail at the window of a classroom occupied only 20 minutes earlier by at least 12 teenage boys, surveillance tapes show. The man, who is believed by police to be in his 20s, remains at large. The tapes show 12 religious-school students who spent Friday evening in the classroom leaving along the school's front sidewalk between 11:40 p.m. and 11:42 p.m. As many as 20 students - age 14 to 16 - usually attend the regular Sabbath evening dinner and get-together...