The alleged Nashville shooter planned the attack for months, fired 152 rounds.
Audrey Hale, the suspect in the shooting in Nashville, Tennessee, planned the attack for months and fired 152 rounds, police said.The suspect who allegedly shot and killed six people at a private Christian school in Nashville, Tennessee, last week had been planning for "months to commit mass murder at The Covenant School," police said, citing the suspect's journals.
Hale was armed with two assault-style rifles, a handgun and "significant ammunition" at the time of the attack, according to police. Authorities said Hale owned seven legally purchased guns from five different local stores. SEE ALSO: Highland Park High School students to walk out over gun safety day after Nashville walk-outs
Hale had a detailed map of the school as well as "writings and a book we consider to be like a manifesto," Metropolitan Nashville Police Chief John Drake told ABC News last week.