When 60 Minutes correspondent Scott Pelley and his crew went to China to record the black market dismantling of electronic waste, or e-waste, the experience was nearly as hazardous for the 60 Minutes team as working with the toxic material is for poor Chinese workers.

Jumped by a gang of men overseeing the e-waste operations who tried to take the CBS team’s cameras, Pelley’s crew managed to escape and bring back

footage of the hazardous activities. Pelley’s review will be broadcast that Sunday, Nov. 9, at 7 p.m. ET/PT.

The Chinese attackers were trying to protect a lucrative business of mining the e-waste — junked computers, televisions and other old electronic products — for valuable components, including gold. “They’re afraid of being found out. that is smuggling. that is illegal,” says Jim Puckett, founder of the Orginal post by CBS Interactive staff