Harford County Sheriff Jeffrey Gahler identified the alleged shooter Wednesday morning and says police are now searching for him.
At least three people have been killed and two others critically injured in Maryland after a shooter opened fire at a business park in Edgewood.
Authorities said the attack, which was carried out with a handgun, was targeted.
The victims and the suspect worked for Advanced Granite Solutions, the owner of the company that designs and installs countertops told The Associated Press. Investigators are now treating the shooting as a case of workplace violence and don't see ties to terrorism, said Dave Fitz, a spokesman for the Baltimore FBI field office.
The suspect's name is 37-year-old Radeed Prince.
"The individual out there on the loose who committed one of the most heinous crimes in the county, consider him armed and unsafe", a police officer said, adding "We do not think that there is an immediate threat to the community". Several surrounding law enforcement agencies were searching for Prince with the help of the ATF and Federal Bureau of Investigation. Anyone with information about Wednesday's shooting is urged to 1-800-CALL-FBI (225-5324).
Deadly bomb blast strikes Somalia's Mogadishu
Another witness said there was a traffic jam and that the area was packed with people and cars when it happened. Shortly after the first blast the second explosion was reported in Mogadishu's Wadajir disctict.
The shooting was reported to police just before 9 a.m. ET. Two people were taken to a hospital, one of whom had come out of surgery, he said. A reunification point for families was established at the Richlin Ballroom on Edgewood Road.
A co-worker sought a peace order against Radee Prince in February, saying Prince had punched an employee in the face and returned and threatened employees.
The Baltimore Sun reports Prince was sacked from another job earlier this year after he attacked a co-worker. Anyone who has seen Radee Labeeb Prince is instructed not approach him and to call 911.
Wilmington, Delaware, police said he had relatives in the area there.
A number of Harford County Public Schools in the area are on a "modified lockdown". He was also charged with being a felon in possession of a firearm in Cecil County, Md. However, the charges were dropped three months later, according to The Sun.