If Jesse Hicks' report into why working on cell towers can be one of the most dangerous jobs in America has you curious for more, the full Frontline and ProPublica investigation can now be watched online over at the PBS site. Nearly 100 people have been killed working on cell tower sites since 2003, a rate around ten times higher than construction workers, and Cell Tower Deaths reveals how a complex subcontracting system is shifting the blame away from carriers.