“A crucial ingredient for a ‘dirty bomb’ at risk of falling into the hands of ISIS leaders has been recovered by Iraqi government officials. Iraqi and U.S. officials had been monitoring two caches of cobalt-60 — a synthetic radioactive isotope of cobalt — stored in a Mosul college campus since ISIS captured the city in 2014, according to The Washington Post.”
Source: ISIS had the ingredients to make a ‘dirty bomb’: Report