HANOVER, Md. -- An arrest has been made in the fatal shooting of a sales and marketing representative who died at a model home community in Anne Arundel County, Md., police said.

Steven Bernard Wilson, 33, of Annapolis, was found Wednesday suffering from a gunshot wound at his office in the 7500 block of Newmanstown Drive. Medics tried to assist him, but he was pronounced dead at the scene.

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During a news conference Friday morning, police said someone came forward with tip that led to the arrest of a suspect in Baltimore City. Dillon Nicholas Augustyniak, 18, of Jessup, Md., has been charged with first-degree murder, armed robbery and theft in connection to the fatal shooting, police said.

An autopsy was performed on Thursday by the Office of the Chief Medical Examiner.

The investigation is ongoing.

Detectives are asking anyone with information to come forward by calling the Anne Arundel County Homicide Unit at 410-222-4731. If anyone with information wishes to remain anonymous, they can also contact the Anne Arundel County Police Tip Line 410-222-4700 or Metro Crime Stoppers.