Baltimore police data shows an uptick in convenience store robberies, but police have not said exactly why we're seeing that increase. It's a crime that's causing concern for some clerks.

At the Zack Mini Mart on North Avenue near Pennsylvania Avenue, there's a small convenience store with big concerns.

Waddah Albana, a clerk at his cousin's store, says he's mindful of security and would-be robbers.

"We close the door. We give service from the window," Albana said. "Like right now, somebody could come in with a gun and put it in my head. I got to give them all the money within one minute. It's going to take him less than one minute to get it."... Read More: FOX45