An 18-year-old has been arrested and charged in connection to the March mass shooting that killed boxer Ernest Hall and a fatal shooting less than 24 hours later, Baltimore Police said.

Police apprehended the teen, Jabre Griffith, on June 6 at Paul Laurence Dunbar High School, where he was enrolled as a student.

Griffith is charged with first-degree murder, second-degree murder, attempted murder, assault, and handgun charges in the latter shooting, which occurred March 23 around 11:20 p.m. in the 5400 block of York Road.

Micah Strong, 26, and a woman were wounded in the incident. Both received treatment at MedStar Union Memorial Hospital, where Strong was later pronounced dead, police said.

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Investigators recovered approximately 20 shell casings in a parking lot near the York Road scene, according to charging documents.

In addition to Hall, five others were injured in the mass shooting just after midnight on March 23, including a 15-year-old boy, a 24-year-old man, a 21-year-old man, an 18-year-old man and a 22-year-old man.

Griffith is charged with 18 counts of conspiracy in the mass shooting, plus related weapons offenses, according to charging documents.

Using GPS and video evidence, investigators allege Griffith was the getaway driver in both shootings, charging documents said.

A 15-year-old boy was previously arrested and charged with first-degree murder, five counts of first-degree attempted murder and various handgun violations in connection to the mass shooting. He is being charged as an adult.

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Forty-nine casings of three different calibers were recovered at the Edmondson Avenue scene, according to charging documents. Investigators connected the .40 caliber casings to a gun used in the killing of Strong.

Last week, police arrested Griffith in the parking lot of Dunbar High School and recovered a loaded .40 caliber Glock handgun, suspected drugs and a digital scale, according to charging documents. The serial number on the gun had been altered.

Griffith was charged with eight weapons offenses and five drug offenses stemming from the arrest.

Howard Cardin and Michael Tomko, of the law firm Rosenberg & Tomko, are jointly representing Griffith, Tomko told The Banner.

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Tomko said he is still reviewing the charges and declined to comment.

Griffith is scheduled to appear in court for a preliminary hearing on July 5.