WATCH: Police Release More Footage of Nassau County Serial Robber

UPDATED Tuesday at 4 p.m.

Authorities believe the man who robbed a New Hyde Park Subway shop at knifepoint Monday is the same person who committed several Nassau County commercial robberies over the past two months, police say.

According to authorities, the man entered Subway, located at 1201 Jericho Turnpike, displayed a large kitchen knife and demanded money from the 20-year-old female employee at 9:48 a.m.

Police say the woman complied and the robber fled on foot, northbound on N. 12th Street, with an undisclosed amount of cash.

No injuries were reported.

Police described the man as black, 6-feet tall, and wearing a dark-colored hooded shirt, blue jeans, tan work boots, dark gloves, dark sunglasses and a dark cloth across his face.

The man is suspected to be connected to a total of 10 robberies across Nassau County in March and April:

• Dunkin’ Donuts, located at 2062 Lakeview Road in New Hyde Park, on Tuesday, March 1 at 11:20 p.m. More info here.
• Dunkin’ Donuts, located at 156 Manetto Hill Road in Plainview, on Wednesday, March 2 at 9:25 p.m. More info here.
• Dunkin’ Donuts, located at 1068 Old Country Road in Plainview, on Monday, March 14 at 11:20 p.m. More info here.
• 7-Eleven, located at 758 Old Bethpage Road in Old Bethpage, on Thursday, March 17 at 12:20 a.m. More info here.
• Dunkin’ Donuts, located at 2675 N. Jerusalem Road in East Meadow, on Tuesday, March 22 at 9:41 p.m. More info here.
• Subway, located at 1341 Jerusalem Ave. in Merrick, on Friday, March 25 at 9:09 p.m. More info here.
• Dunkin’ Donuts, located at 3151 Lawson Boulevard in Oceanside, on Wednesday, March 30 at 9:35 p.m. More info here.
• Dunkin’ Donuts, located at 4886 Sunrise Highway in Massapequa, at 9:13 p.m. on Sunday, April 10. More info here.
• Carvel, located at 1551 Dutch Broadway in Valley Stream, at 9:33 p.m. on Tuesday, April 12. More info here.

According to authorities, the man typically enters these stores, produces a large knife, demands cash and flees on foot. The man has been known to wait inside the business until there are no customers present before he commits the robbery, police say. Additional surveillance footage of the robber can be found here.

Detectives ask anyone with information about these robberies to contact Nassau County Crime Stoppers at 1-800-244-TIPS. All callers will remain anonymous.

Photos, video via NCPD