L.S.
Maybe have his mom go to their local police station and ask them if they have any programs that show troubled teens how their lives could end up. If she knows a police officier have him pick the teen up as if being arrested and then sit down and talk to him at the station (without him knowing that it was set up) Sounds like he really needs something to scare the you know what out of him!! :) Another option could be instead of grounding him when he does something wrong have her find a local volunteer program. She can set up a community service type deal for him and when he gets in trouble he can do community service. Not only would that discipline him but it would also help the community and maybe he will see other people struggling due to their life decisions!