Security robots used to help fight crime

Security guards at stores, events and airports are starting to look a little different.Crime-fighting robots are being used to work alongside humans.They can detect weapons and radiation.The security bots use the same technology used at TSA security checkpoints to determine the size and shape of weapons.Creators are also working on audio detection to help security locate the scene of a crime.“The opposite of voice recognition, can you tell me all the little intricacies of the environment,