First graffiti artists, now base jumpers are shooting videos from L.A.'s notorious abandoned downtown high-rises. Plus, four murders in less than four hours in L.A. County: how are they connected? And what you should know before you buy a certain something for a certain someone for Valentine's Day - the gift that's banned in a lot of places in SoCal. The L.A. Local is sponsored by the LA Car Guy family of dealerships.