The Michael Flynn "unmasking" controversy unmasked - Axios

President Trump and his allies have made a lot of noise about purported Obama administration wrongdoing via the “unmasking” of then-incoming national security adviser Michael Flynn’s identity in reports of intercepted conversations between Flynn and Russian Ambassador Sergey Kislyak during the 2016–17 presidential transition.
https://www.axios.com/flynn-unmasking-explained-6f72c5d4-5ac7-45b9-b21c-21c32e5d09c3.html