Former LA gang members , the Homeboys, travel to one of the poorest sections of Alabama to work with impoverished youth. A video of one of their trips is at the above link at the LA Times, as well as photos and an essay.
See also the site for a movie Father G and the Homeboys : www.fathergandthehomeboysmovie.com
and a video for the documentary below about Fr. Greg Boyle and the Homeboy Industries, which was started 20 years ago: