"This is a random, despicable criminal act against a member of the Sikh community," Stanislaus County Sheriff Adam Christianson said.
A Portland police officer allegedly told the couple that "being mean" is not against the law.
Austin Police Chief Brian Manley said officers could not "ignore the fact that the three victims...were all people of color."
The 11-year-old girl said she was attacked on Friday—but there was no evidence to support her claim.
A local New York Muslim activist was attacked and called a terrorist by a group of teenage girls at a local Panera Bread.
He left the bacon, which is forbidden in Islam, around the door of the mosque.
Sean Urbanski is accused of stabbing to death Richard Collins on the University of Maryland campus in May.
Carmen Hix took off a week from work and donated $500 worth of food to the church, but was turned away after the pastor found out she's Jewish and a lesbian.
No one was injured in the explosion, which is being investigated by the FBI’s terrorism task force.
The package came days after two other mosques in the area were vandalized; one had a burnt Quran with bacon inside left on a nearby fence.
The incident began when the man started shouting ethnic and religious slurs at two women who appeared to be Muslim on an Oregon train.
President Barack Obama signed The Matthew Shepard and James Byrd, Jr., Hate Crimes Prevention Act into law in October 2009.
Noor Salman was arrested in California in January on federal charges accusing her of knowing that her husband, Omar Mateen, was planning the June 2016 attack, and of concocting a cover story for him.
Salman was arrested earlier this month in the San Francisco Bay Area on federal charges of obstructing justice and aiding her late husband, Omar Mateen, in his attempt to provide material support to a terrorist organization.
Judge said he would hold a second competency hearing "in an abundance of caution" after Roof's standby lawyers filed a motion about his mental fitness to stand trial.
Two months before the shooting, Roof purchased a pistol and stockpiled ammunition.