Lawyer: Illinois shooting suspect's mother legally owned gun

DIXON, Ill. (AP) - The lawyer for a 19-year-old charged with firing shots at an Illinois high school during graduation rehearsal says that his mother legally owned the gun he's accused of using.

Sauk Valley Media reports that Matthew Milby Jr. appeared in court Wednesday via video from the Lee County Jail. He's being held on $2 million bail in connection with last week's shooting at Dixon High School.

Milby was injured in an exchange of gunfire with a school resource officer. No one else was injured.

FILE - This May 17, 2018, file photo provided by the Dixon Police Department in Dixon, Ill., shows, Matthew Milby Jr. Milby, the suspected school shooter at Dixon High School during graduation rehearsal last week in Dixon, appeared in court via video from the Lee County Jail for a hearing Wednesday May, 23. The lawyer for Milby says that Milby's mother Julie Milby legally possessed the gun he's accused of using. (Dixon Police Department via AP, File)

FILE - This May 17, 2018, file photo provided by the Dixon Police Department in Dixon, Ill., shows, Matthew Milby Jr. Milby, the suspected school shooter at Dixon High School during graduation rehearsal last week in Dixon, appeared in court via video from the Lee County Jail for a hearing Wednesday May, 23. The lawyer for Milby says that Milby's mother Julie Milby legally possessed the gun he's accused of using. (Dixon Police Department via AP, File)

Defense attorney Thomas D. Murray said following Wednesday's hearing that Milby's mother, Julie Milby, has a valid Firearm Owner's Identification card in Illinois.

Police are still investigating how Matthew Milby obtained the 9 mm rifle, which police have said his mother bought in 2012.

FILE - In this May 18, 2018 file photo, Julie Milby, mother of suspected school shooter Matt Milby Jr., speaks briefly with a reporter before leaving the Lee County Courthouse in Dixon, Ill., where her son appeared via video screen. The lawyer for Milby charged with firing shots at Dixon High School during graduation rehearsal says that Julie Milby legally possessed the gun he's accused of using. Matthew Milby Jr. appeared in court via video again from the Lee County Jail for a hearing Wednesday May, 23, 2018. He's being held on $2 million bail. (Alex T. Paschal/The Telegraph via AP, File)

FILE - In this May 18, 2018 file photo, Julie Milby, mother of suspected school shooter Matt Milby Jr., speaks briefly with a reporter before leaving the Lee County Courthouse in Dixon, Ill., where her son appeared via video screen. The lawyer for Milby charged with firing shots at Dixon High School during graduation rehearsal says that Julie Milby legally possessed the gun he's accused of using. Matthew Milby Jr. appeared in court via video again from the Lee County Jail for a hearing Wednesday May, 23, 2018. He's being held on $2 million bail. (Alex T. Paschal/The Telegraph via AP, File)