Jason Grotto's 4-part series in the Miami Herald, Predators Among Us.
It's of course, not an uncommon topic for newspaper CAR projects, but the presentation...and amount of material, including audio interviews, a searchable database (compiled by Tim Henderson), and the like, is pretty notable and very well done. The Herald has been a bit slower than some papers to devote this much multimedia to a project, so this is a breakthrough for them, I think. A lot of work here and very well done.