Parents of 21-year-old William Warden say mentally-ill son was vulnerable to being exploited by white supremacists online: 'We apologize profusely to the Jewish community'

Man with five prior arrests abuses couple in Manhattan; incident comes amid surge in anti-Semitic violence against Jews in the city

Ariana Hoblin of south Florida speaks about the incident during signing ceremony in Oval Office for executive order protecting prayer in public schools

Members of white supremacist, anti-Semitic organization The Base charged with conspiring to kill anti-fascists

Lincoln Police Department investigating incident as a hate crime

Grafton Thomas denies denies all charges as lawyer says he suffers from mental illness and is not responsible for Hannukah attack that wounded 5, including 1 critically

Security officials say Jewish centers should employ uniformed law enforcement officers rather than private guards or volunteers from community in wake of deadly attacks

Largest number since 1996, biggest year-over-year increase since reporting standards implemented in 1991; figures by bias type not yet available

Brooklyn neighborhoods of Williamsburg, Crown Heights, Borough Park to receive added surveillance, police presence in wake of anti-Semitic attacks

Cassidy Pyser says former roommate at Kutztown University sent her harassing text messages about Holocaust, smashed her mezuzah