ALTAMONTE SPRINGS, Fla. -- Two serial robbers in Altamonte Springs may have struck again, robbing a newspaper deliveryman and a pharmacy in one night. Police believe they are responsible for several other violent robberies and want them off the streets.

Late Thursday morning, police released surveillance video showing what happened inside a CVS store on State Road 436 Tuesday morning. The video clearly shows the face of one of the suspects, one man wearing a hat and another covering his face with his tank top as they walk into the pharmacy.

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SLIDESHOW: Images From Video Show Brazen Robbery
RAW SURVEILLANCE: Thieves Rob CVS Pharmacy In Altamonte Springs
TIPS: Call Crimeline With Info At 1-800-423-TIPS

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Then, from a different view on video, the man wearing the polo shirt and backwards hat lunges at the clerk, trying to punch him in the face before he jumps on the counter. Both men scrambled away with the stolen money from the cash register drawer and took off out of the store.

"The one suspect does not even cover his face. That definitely has us concerned that they don't seem to care if they get caught or if anybody sees them or recognizes them," said Tim Hyer, Altamonte Springs Police Department.

Minutes earlier, the suspects grabbed scissors from a newspaper deliveryman at a Shell gas station, demanded his money and got off away with roughly $14.

Altamonte Springs police said the suspects also robbed the same 7-Eleven twice, a Race Track, and a Kangaroo Express in September.

"They are putting fear in a lot of people, a lot of clerks in fear of this. Obviously, a lot of businesses talk to each other and they hear what's going on," Hyer said.

After six robberies in the past month, police have had enough.

"We definitely want to put a stop to them. We definitely want to catch them very badly," Hyer said.

Police are hoping someone will recognize them and turn them in. If you have information call Crimeline at 1-800-423-TIPS.