Why Chinese Tech Giant Huawei Scares the U.S.

Huawei has been rocked by political and legal turmoil at a time when it also happens to be poised to build the worldwide 5G revolution. Is the timing a coincidence, or a coordinated attempt to knock China's biggest company down a peg? This is the story of how Huawei went from a small-time parts reseller to the homegrown tech giant China always hoped for, and the west always feared. Video by Henry Baker