Audrey Hale, a 28-year-old trans woman, was identified as the suspect in the Covenant School, Nashville shooting on Monday. Social media users speculated her motive after three students and as many staff members died in the incident.

Authorities revealed that Hale had drawn a detailed map of the school, which means that the shooting was pre-planned. She had potential entry points mentioned there and had conducted surveillance. The 28-year-old was killed by police. She is believed to be a former student at The Covenant School.

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The suspect had two assault-style weapons – a rifle and a pistol — and handgun, authorities said. The victims were identified as Evelyn Dieckhaus, Hallie Scruggs, William Kinney, all students, and adults Cynthia Peak, Katherine Koonce and Mike Hill.

While there is no official word on Hale’s motive, many social media users are speculating.

“Unfortunately, since Audrey Hale was a Trans Male who went to the school, the motive is everything,” a Twitter user said.

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“AUDREY HALE’S motive is crystal clear. Anyway, damn her, damn her alienation, and I rebuke her. Now…that said…ARMING TEACHERS IS NOT A SOLUTION. Nor is disarming the public and violating the Constitution. Metal detectors are it. Entertain no other “solutions,” another one added.

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“Law enforcement sources confirmed the deceased shooter in Nashville is 28-year-old Audrey Hale, I see major pushback on-line that she/he was a Trans? Which tells me it is very possible? Would give possible motive, to target a Christian school which supports traditional values!” a third one said.

As soon as the suspect was identified, several Twitter users pointed out that the 28-year-old is a biological female who identifies as “He/Him” on their LinkedIn.