Border agents are checking entrants’ Facebook and Twitter profiles — but we still don’t know how closely

"We need to know what structure is in place ... and we don’t have that kind of information," say civil rights groups
Read more: https://www.theverge.com/2019/8/31/20837448/social-media-dhs-cbp-surveillance-us-border-ismail-ajjawi-harvard?source=Snapzu