This alert gives notice of recent Armed Robberies that have occurred in the 14th, 17th and 19th Districts. In these robberies, the victims (taxi drivers) pick up the offender as a fare and once at the destination, the offender announces a robbery by placing the victims in a headlock, placing what the victim believed to be a handgun to their head demanding money in two instances and producing a large knife in the other. On the last incident the offender stabbed the victim in the torso. The offender then takes money and cellphones from the victims.