NEWPORT NEWS, Va. (WVEC) -- Investigators believe a person wanted for robbery in York County may be connected to similar crimes in Newport News.

The most recent robbery happened just after 4 a.m. on February 7th at the Days Inn on Fishing Point Drive in Newport News.

The clerk told police that he was working in the back office of the hotel when he heard the entrance door bell ring. After he pushed the button to open the door, a man wearing a black mask and black clothing walked into the business.

The suspect was said to be holding a knife in his right hand while demanding that the clerk give him money.

The clerk complied and the man ran out the back door toward Jefferson Avenue.

Investigators believe this is the second time the man robbed that Days Inn hotel location.

On February 1, shortly before 4:30 a.m., surveillance video shows him hopping across the counter at the Days Inn while demanding money. He left the business without getting any.

The suspect is also linked to a robbery in York County that took place around 5 a.m. on January 31.

York-Poquoson sheriff's deputies said the person walked into Candlewood Suites, located at 329 Commonwealth Drive in the Kiln Creek area, and implied he had a weapon. He demanded money from a clerk.

Three days later, on February 4, there was a robbery at the Jamison Inn and Suites on Old Oyster Point Road in Newport News.

Emergency dispatchers received a call about the robbery around 2 a.m..

The clerk told police that the robber wore a black hoodie, black sweatpants, black gloves and that he had a black T-shirt wrapped around his face when he demanded money.

The clerk took out the register and put it on the counter. The person took money and ran out of the building.

If you know anything about any of the crimes, investigators ask that you call Crime Line at 1-888-LOCK-U-UP.