With more than 250 student visas revoked, international scholars worry as the government expands reasons for deportation

An increasing number of student deportation threats involve the revocation of visas based on relatively minor offenses like years-old misdemeanors, according to immigration attorneys, or sometimes no reason at all.

​ An increasing number of student deportation threats involve the revocation of visas based on relatively minor offenses like years-old misdemeanors, according to immigration attorneys, or sometimes no reason at all. Read More Breaking News, Latest News and Videos | CNN