"More than likely there will be some kind of terrorist act in this country, and I fear that Trump will use that to such an awful extent," Moore said. "We have to fight that when it happens, and not be afraid to fight it."
The motive was unclear in the Cincinnati shooting that took place at around 1 a.m. local time.
Critics say the attorney general is ignoring empirical evidence on sentencing with instructions to U.S. prosecutors to federalize cases involving violent offenders.
The murder rate is the highest since 1997, when 761 people were killed.
The U.S. outranked China, Japan, Germany and the U.K.—combined—in firearm assaults.
Democratic vice presidential pick urges strengthened background checks, closing gun show loophole, limiting combat weapons and expanding mental health services.
The president spoke about the deadliest mass shooting in U.S. history.
Colson was an undercover narcotics officer in the Prince George's County Police Department.
Jason Dalton, the Uber driver suspected in this past weekend’s deadly shooting spree in Kalamazoo, Michigan, may have switched cars before the lethal rampage.
Improving mental health care is a distinct issue from decreasing gun violence, the authors write.
State executives already have substantial authority to implement new rules to reduce gun violence.