A McDonald & s employee has been arrested in the US state of Florida on suspicion of being a serial killer.
Howell Emanuel Donaldson III is accused of randomly killing four people between October 9 and November 14 in Tampa.
The 24-year-old journalist was arrested on Tuesday afternoon at a branch of the hamburger restaurant where he had worked for two months.
He had asked a manager to hold on to his loaded 9mm pistol, reports the Tampa Bay Times.
Police say that the suspect had "expressed his intention to leave the state."
Another McDonald's employee noticed that a police officer filled out the paperwork in the restaurant and urged his manager to tell the agent about the gun.
Mobile phone records indicate that Mr. Donaldson was in the area of three of the murders, according to a police affidavit.
He legally admitted buying the gun on October 3, says the police.
Investigators say the Glock gun has been tested and matches the bullet casings found in the scenes of the murder.
Police say that found during a search of Mr. Donaldson's car resembles that used by a man seen on the CCTV filming of the owners near the crime scene.
They add that the clothes seemed to have been stained with blood.
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The killings left many residents of the working clbad neighborhood of Seminole Heights afraid to venture out at night.
The police accompanied the students to the bus stops, while the demonstrators held demonstrations to recover the streets.
The four victims were boarding or disembarking from a bus at the time they were shot:
- Benjamin Mitchell, 22, musician, was shot dead on October 9 while waiting at a bus stop
- Monica Hoffa, a 32-year-old waitress, was shot dead on October 11 while walking to meet a friend
- Anthony Naiboa, 20, suffering from mild autism was shot to death on October 19 while walking home from work  Ronald Felton, 60, construction worker was killed on November 14
. Mayor Bob Buckhorn said at a press conference after the arrest: "Fifty-one days ago, I said this was a fight between good and bad."
"Well tonight, goodness has won. Tonight, in the battle between darkness and light, light has won. "
Florida Governor Rick Scott is scheduled to visit police in Tampa to thank the police for the investigation.
" In Florida , we have absolutely zero tolerance for this kind of bad behavior, "he said, swearing justice for the victims.
Police believe that the gunslinger chose his victims at random and a reason is not yet clear.
FBI helped the police in the investigation.