35-year-old Hong Young from Prince George's County, Maryland, was taken into custody without incident Tuesday evening after shooting incidents in Fort Meade and Laurel.
Young was a former corrections officer with the Maryland Department of Public Safety from June 2012 to May 2014, when he resigned.
Prince George's County police say they recovered ten weapons, including a .223 semi-automatic pistol, and hundreds of rounds of ammunition during a search of Young's home on Wednesday. Ballistics were used to link him to four of the shootings. All of the weapons were legally owned by Young.
Authorities also provided a timeline of the incidents:
- 7:30 a.m., February 24
- 7661 Arundel Mills Boulevard, Hanover, MD
- 2:50 a.m., March 2
- 3549 Russett Green East, Laurel, MD
- 4:51 a.m., March 2
- AMC Movie Theater
- 10300 Little Patuxent Parkway, Columbia, MD
- 2:45 p.m., March 3
- ICC Prince George's County
- 6:00 p.m., March 3
- NSA facility
- National Business Parkway
Tuesday's first shooting happened around 2:40 p.m. Maryland Transportation Authority Police say shots were fired on the Inter-County Connector, hitting one vehicle. One person was injured by broken glass after officers believe at least two bullets pierced the windshield. The vehicle was driving near the area of Old Gun Powder Road in Laurel.
Tuesday's second shooting was reported near the National Security Agency headquarters around 5 p.m. Shots were fired into a building from along the Baltimore-Washington Parkway. No one was hurt.
The first of the three prior incidents happened last Tuesday near the Arundel Mills shopping complex. Police released this video of a possible suspect vehicle.On Monday of this week, shooting incidents were reported at a Walmart in Laurel and a movie theater at The Mall in Columbia.
At Wednesday's news conference, police said they do not believe the shooting spree is connected to any type of terrorism. The motive remains under investigation.
The Associated Press contributed to this report.