Dave Caston Sr. pauses while walking the halls of the 14th floor at Franklin Towers. Caston says he is concerned about his safety in the building, where a man was stabbed this month and drug paraphernalia has been found in the laundry room and other places on the premises. (Photo by Gabe Souza/Staff Photographer)

A security camera in the first-floor stairwell of Franklin Towers monitors activity. Some residents of Maine's tallest building have worried more about safety since a man was stabbed there this month.

Dave Caston Sr., 58, rides an elevator down to his second-floor apartment in Franklin Towers. He said, "I know some elderly women won't come on the elevator at night because they're scared of getting mugged."

Dave Caston Sr. locks his apartment door behind him with a specially designed lock. He uses a key on the bottom of the solid metal part to keep the chain in place even under pressure.

Dave Caston Sr., 58, takes a sip of soda as he watches TV in his studio apartment at Franklin Towers. He's concerned about the increased drug use he has seen in the building.

A sign on the door to the laundry room tells residents to be careful because needles have been found recently in laundry machines.

Steve Scheraldi, 62, stands in the hallway outside his 14th-floor apartment at Franklin Towers. Scheraldi, who works as a janitor downtown, says he is concerned for the safety of himself and his girlfriend.