Capt. McGinn said there are some situations involving someone carrying a BB gun or pellet gun that raise suspicions.
"There is very little regulation on someone walking down the street with it tucked in their pants at 2'oclock in the morning," he said.
The accessibility of the BB and pellet-type guns has allowed them to be in the hands of gang members, people involved in the drug trade and people who would not be allowed to carry a traditional firearm through a Firearm Identification card or license to carry, police said.
In some cases, people are using the realistic-looking BB or pellet guns to intimidate others, Capt. McGinn said. That could result in a serious situation, he said.
"If someone pointed one of those at someone who has a real gun, they might get killed. God forbid someone pulled one out on a police officer."
An officer has very little time to determine if a BB or pellet gun is real, Sgt. Hazelhurst said.
"It would be a heartbreaking situation if someone pulled out a BB gun and threatened a police officer, and that officer, thinking it was a real gun, shot and killed or wounded that person," Capt. McGinn said.
"That is a worst-case scenario for a cop," Sgt. Hazelhurst said.
Convicted felons are not allowed to carry a firearm, and police believe they are carrying the very real looking BB, pellet or replica guns to commit robberies or use to intimidate others.
Since the felons are not carrying a real gun, they get around a very strict federal law that forbids felons from carrying firearms. People violating the law face a lengthy sentence if convicted.
"We are on top of the drug and gang people," Capt. McGinn said, "... consequently they are getting searched when justified. They don't want to get caught carrying a real gun."