BALTIMORE (WJZ/AP)—Police have arrested Kelly Lamont Ellerbee Jr., 20,  in connection to last week’s campus shooting at Morgan State University.

Police say Ellerbee shot Michael Antonio Campbell, 19, in the front left side of his torso in the school’s student center on Sept. 12 and was observed by witnesses running through the student center after the shooting.

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Police spokesman Anthony Guglielmi said the arrest was made shortly after 2 p.m. Tuesday. Guglielmi says the suspect was also wanted on drug charges.

Officials say the shooting was the result of an argument over drugs.

Officers found a shell casing in a bathroom in the campus’ student center while investigating the shooting last week. Officials say the shooting occurred in the bathroom.

Campbell, who is not a Morgan State student, was visiting his cousin, who is on the school’s football team.

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Officials say Campbell will not face charges.

Ellerbee faces multiple charges, including attempted first-degree murder.

Morgan State University president David Wilson released the following statement:

“I am very pleased to know that Baltimore City Police were able to track down and apprehend an individual believed to be responsible for the senseless shooting that occurred on the campus last week. Today’s arrest resulted from the diligent investigation conducted by Baltimore City police and campus police.

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“Our students, faculty and staff can appreciate that we have already made significant investments to enhance security and are prepared to do even more in the future, working with our partners in state and city government and the community. Last week I convened a group of citizen leaders, police, students and clergy to meet and discuss partnerships and strategies moving forward. Our vision at Morgan is to transform Northeast Baltimore, which includes making this a safer community, and last week’s unfortunate event will not alter our focus or our resolve.”