Hasim? Is that you? Are you all right? What's that noise?

So what was the first clue for the parents of one of the accused that something was not quite right with their boy?

Another of the high school friends who went [to the Musalla-E-Namira, an informal place of worship] was a recent convert to Islam, whose parents were apparently upset when they'd caught him praying in the washroom at home and, according to some acquaintances, had an angry confrontation with people at the musalla.