Any range that rents firearms to unaccompanied people and those who don't bring a firearm of their own are foolish. Many ranges that have had a suicide adopt these policies, but some of them don't. Even one or two gun stores/sporting good stores I know of have had people walk in with a bullet in their pocket asking to handle a firearm chambered in that round and have had to wrestle the gun away before the idiot could load it. One lady grabbed the gun and ran out the door trying to load her bullet in the chamber and got beaten up pretty good for her efforts.
Of the estimated 30,000 firearms deaths per year in the USA, almost two thirds of them are suicides. Take those away and there are less than 10,000 gun deaths per year in the USA, and most of those people probably had it coming.
I also don't understand why liberals are against suicide by firearm: They're all in favor of assisted suicide, aren't they? Why blame their deaths as 'handgun violence'?
Personally, I take exception to suicidal nitwits using a firearm to kill themselves: Just makes the 2nd Amendment look bad even to those who would give Dr. Kevorkian a big fat hug.
Anyone wanting to end their lives should look into walking way out into the forest or the desert and drinking an entire jug of Prestone® antifreeze. Has a nice sugary taste, gets you pretty drunk, then you fall asleep and your internal organs fail. Very peaceful way to go. Stop horrifying innocent people at gun ranges, you unstable wackos.