"Currently we have lost three" and the other two hit were seriously wounded, at the Emmorton Business Park in Edgewood, roughly 30 miles northeast of Baltimore, Harford County, Gahler told reporters.
Harford County Police have identified the suspect in the Emmorton Business Park shooting and have confirmed that he is still at large.
Maryland State Police are searching for a suspect wanted in connection with Wednesday's fatal shooting in an Edgewood business park.
At one point, Prince's former boss Philip Siason said: "He came to see me, cursed and yelled at me about unemployment benefits".
The men told him someone was shooting and he asked if they had called 911. He said he believes the victims were targeted, but couldn't speak to a possible motive.More news: Shock poll: Republican Ed Gillespie now leads Virginia governor race
All five victims are believed to be employees of Advanced Granite Solutions, where the shooting happened, the sheriff said. He may be driving a black 2008 GMC Acadia with the DE license tag PC 64273.
CNN reported that Prince fled the scene in a black 2008 GMC Acadia with DE license plate PC064273.
A gunman is on the loose after shooting five people - killing three - at a Maryland business on Wednesday morning, authorities say.
Prince was sacked from another job earlier this year after he attacked a co-worker, according to The Baltimore Sun. In an application for his request, the co-worker said Prince had punched another employee in the face and threatened employees. "They had a look of terror", he said.More news: Who Chooses to Run a Twitter Poll About the Holocaust Death Toll?
A gunman shot five of his co-workers at a USA office park in the state of Maryland on Wednesday, killing three of them and setting off a manhunt, authorities said. He says Prince opened fire with a handgun and police are looking for him.
Prince has a criminal history, Gahler said.
Several schools in the area were on a "modified lockdown" and said it was being done "out of an abundance of caution", according to Harford County Public Schools.
Heather Todd said Radee Labeeb Prince has rented a 3-bedroom town house since November 2014.
The sheriff said authorities checked an Elkton home after the shooting, but Prince was not there.More news: Trump claims Obama, other former presidents didn't call families of fallen soldiers