Perry Hall High School - Arrested On Separate Charges - Andrew E - Piper

Robert Wayne Gladden Jr

This arranging picture presented with the Baltimore County Police Department, exhibits Robert Wayne Gladden, Jr., 15, of Baltimore. Gladden, Jr. has been billed just as one person having tried earliest degree murder along with primary level harm with the filming of a classmate for the earliest daytime of classes for a Baltimore large school. (AP Photo/ Baltimore County Police Department)

Andrew Piper

This Aug. 28, 2012 picture provided from the Baltimore County Police Department shows Andrew Piper with Baltimore. Piper is the stepfather with Robert Wayne Gladden, Jr, who seemed to be billed just as one older with experimented with initial diploma killing and earliest education attack inside the capturing of your classmate about the initial daytime with school for a Baltimore substantial school. Piper had been imprisoned on fees unrelated to the shooting. He appeared to be priced using illegal possession associated with items in addition to drugs from his home. (AP Photo/ Baltimore County Police Department)

Robert Gladden Robert Gladden Robert Gladden

Tracie Bradford, associated with Perry Hall, Md., units your girlfriend child Leah, a new student at Perry Hall High School which affirms your lady was in the school's cafeteria whenever a new scholar had been shot there in addition to critically wounded for the earliest evening with classes, Monday, Aug. 27, 2012, in Perry Hall, Md. A suppose has been considered into custody soon after the shooting, in accordance with police. No a single else appeared to be reported injured. (AP Photo/Steve Ruark)

Parents gather with Ebenezer Road in the garden Perry Hall Middle School. Several experienced already been notified simply by their kids that a shooting happened with the neighborhood excessive school. Credit: Patch

From left: Sarah Erpenstein as well as Carol Erpenstein. Sarah Erpenstein instructed Patch in which the lady is at this cafeteria once in the shooting. Credit: Patch

Students continue to record away from Perry Hall High School Monday evening next a firing Monday morning. Credit: Patch

Parents gather at Ebenezer Road outside the house Perry Hall Middle School. Several have been notified by way of their young children than a shooting taken place at the in close proximity large school. Credit: Patch

Parents collect at Ebenezer Road outside Perry Hall Middle School. Several have been notified by way of their own kids that a taking pictures occured for the nearby high school. Credit: Patch

Parents and college students try and reunite right after a student was shot plus critically wounded around the first morning regarding lessons at Perry Hall High School , Monday, Aug. 27, 2012, with Perry Hall, Md. A believe was considered into custody shortly after your shooting, in line with police. No one else has been announced injured. (AP Photo/Steve Ruark)

Becky Hobgood endeavors to look for the woman little princess after a scholar has been shot and vitally injured to the very first day time regarding lessons Perry Hall High School, Monday, Aug. 27, 2012, throughout Perry Hall, Md. A believe seemed to be ingested into custody soon there after your shooting, according to police. No a single else was claimed injured. (AP Photo/Steve Ruark)

Students evacuate Perry Hall High School immediately after your student had been opportunity and critically wounded on the initial day time of classes Monday, Aug. 27, 2012, in Perry Hall, Md. A believe seemed to be considered into custody soon after your shooting, as outlined by police. No a single else was noted injured. (AP Photo/Steve Ruark)

Parents hang on to be able to reunite using youngsters soon after some sort of pupil seemed to be opportunity in addition to critically wounded within the first evening with instruction at Perry Hall High School, Monday, Aug. 27, 2012, around Perry Hall, Md. A believe was taken straight into custody shortly following shooting, in line with police. No one other than them was reported injured. (AP Photo/Steve Ruark)

Parents in addition to students try to find 1 another once a new college seemed to be chance and critically wounded within the very first morning of instructional classes at Perry Hall High School Monday, Aug. 27, 2012, within Perry Hall, Md. A suspect has been taken into custody soon after that shooting, relating to police. No one particular otherwise was reported injured. (AP Photo/Steve Ruark)

A Baltimore County police officer speaks to your mother or father because individuals are evacuated from Perry Hall High School after a university student seemed to be result along with vitally hurt around the initial morning of instruction Monday, Aug. 27, 2012, within Perry Hall, Md. A suppose appeared to be consumed into custody immediately following the shooting, based on police. No one in addition was described injured. (AP Photo/Steve Ruark)

Parents and also students endeavor to reunite immediately after a university student seemed to be taken and vitally injured to the initial day of courses from Perry Hall High School, Monday, Aug. 27, 2012, inside Perry Hall, Md. A suppose ended up being obtained towards custody after that the shooting, according to police. No one in addition was announced injured. (AP Photo/Steve Ruark)

Tracie Bradford, Leah Bradford

Tracie Bradford, connected with Perry Hall, Md., consoles your girlfriend princess Leah, a student with Perry Hall High School exactly who states that she is at the school's cafeteria when a college student was taken there along with critically injured within the primary morning connected with classes, Monday, Aug. 27, 2012, with Perry Hall, Md. A suppose seemed to be taken into custody right after this shooting, relating to help police. No just one other than them was reported injured. (AP Photo/Steve Ruark)