The Myth of "Curing" Homosexuality

It's a lie, but how dangerous is it? We've already seen what it can do to self-loathing homosexuals like Ted Haggard and Larry Craig, but can it drive a person to violence? More from the Colorado Church Gunman:

"People like us are going to go to hell, according to Christians."

... and from Joe:

Will the Christanist right and the "ex-gay" movement take the deadly example of Matthew Murray and his victims to heart? Or will this horrible incident only strengthen their resolve to continue attempting to pray the gay away?

UPDATE: Tony Perkins takes another approach.

UPDATE: more here: Homeschooled, Conservative, And Murderous?