WASHINGTON (AP) — The Obama administration is reviewing procedures for vetting would-be immigrants and its policies on accessing social media.

The Homeland Security Department says it is reviewing policies on looking at social media posts to vet would-be immigrants applying for certain visas.

Certain DHS officials are now allowed to look at such posts as part of law enforcement investigations. The possible policy changes are for U.S. Citizenship and Immigration Services, the DHS agency in charge of managing immigration benefits cases and interviewing green card applicants.

After the mass shooting in San Bernardino, California, Facebook discovered a post pledging allegiance to the Islamic State group leader on a profile maintained by one of the shooters, Tashfeen Malik.

Malik came to the United States on a fiance visa in 2014.

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