October 14, 2011 1:02 pm Aids Walk Philly Project Runway all-stars cast member Mondo Guerra is raising awareness about HIV and AIDS in Philadelphia. For more information about Aids Walk Philly go to aidswalkphilly.org or LivingPositiveByDesign.com. US & World Videos 1:49 ‘We have to do better': Philly teen dedicates her Instagram to humanizing victims of gun violence 1:22 Video shows man walk up to ring doorbell with an apparent gun, police say 2:27 76ers team owners bought tickets to pack the Wells Fargo Center with Sixers fans 1:28 Neumann University students help Delco law enforcement to investigate crime cases 0:55 Former nursing home repurposed as new triage center for homelessness and addiction