nashville the 28yearold former student who killed three children and three adults at a christian grade school in nashville on monday was under a doctors care for an emotional disorder and had purchased seven guns ahead of the shooting the citys police chief said on tuesday new details about audrey elizabeth hale emerged hours after police released a harrowing video showing officers storming the covenant school and conducting a roomtoroom search before confronting and fatally shooting the assailanthale employed two assault weapons and a handgun during the assault on the elementary school the latest in a long string of us mass shootings that have turned guns into a hotbutton political issue those three guns were among seven hale bought legally from five area stores metropolitan nashville police chief john drake told reporters on tuesday hales parents did not know that hale was in possession of seven guns the chief said adding that they were under the impression that the suspect had owned only one gun but had sold it drake said it appeared that the suspect had some sort of training with firearms hale fired on officers from the second floor as they arrived in patrol cars while standing back from large windows to avoid becoming an easy target hale left behind a detailed map of the school showing entry points as well as what drake described as a manifesto indicating that hale may have planned to carry out shootings at other locations drake previously said hale selfidentified as transgender he referred to hale using female pronouns on tuesday though hale used male pronouns on a linkedin page that listed recent jobs in graphic design and grocery delivery the chief said investigators still have not established a motive the newly released six minutes of footage edited together from the bodyworn cameras of two responding officers starts with an officer retrieving a rifle from his trunk as a staff member tells him that the school is locked down but that two children are unaccounted for lets go i need three the officer yells as he enters the building where alarms can be heard ringing the video shows officers passing by bulletin boards and cubbies as they clear one room after another before heading upstairs where one says weve got one down amid the sound of gunfire the officers race down the hallway past what appears to be a victim lying on the ground and into a lounge area where the suspect is seen dropping to the floor after being shot officer rex engelbert and officer michael collazo whose body cameras provided the footage both fire several rounds at the suspect the video shows the assailant still moving on the ground as another officer repeatedly yells get your hands away from the gun our community is heartbroken mondays violence marked the 90th school shooting defined as any incident in which a gun is discharged on school property in the united states this year according to the