Police say one man is behind a series of gunpoint robberies in the Bronx and they need your help tracking him down.

A 99 cent store on Southern Boulevard near 174th Street in West Farms was held up the night of December 20.

Police say the man in this surveillance video made off with around $800 cash.

Investigators say the same man is responsible for three other gunpoint robberies in recent weeks, including a beauty supply store in Mount Hope, a Dunkin Donuts in Norwood, and a Dollar Tree in Foxhurst.

He is described as being 35 to 40 years old, between 5'8" and six feet tall, weighing 170 pounds.

Anyone with information on the case should contact the Crime Stoppers hotline at 1-800-577-TIPS, or text CRIMES and then enter TIP577, or visit www.nypdcrimestoppers.com.