"Comments that were made to the victim by the suspect indicate that the victim was targeted", Supt.
After a brief conversation, he shot her in the chest with the concealed crossbow before fleeing to a dark-coloured pick-up truck.
Despite her substantial injuries, the woman was able to phone emergency responders. The clip provided by police does not include the attack itself, but does show the suspect running off the porch with the package still in hand.
Superintendent Heather Raymore told the press conference that "this was not a random act", adding that the police are appealing for the public's help in finding the suspect.
The victim, while critically injured, managed to close the door and call 911.
Police said the woman, a resident of Bayberry Drive in the city of Mississauga, Ontario, was transported to a trauma center after the attack.
Officers responding to a home on Bayberry Drive in Mississauga, Ontario, on November 7 found a 44-year-old woman suffering from life-threatening injuries, according to Peel Regional Police.
Det. Sgt. Kettles said police were supporting the victim and that she was in a place of safety.
Kettles said the victim spent several months recovering in the hospital after suffering damage to her internal organs.
Police are also trying to determine how many people may have been involved in planning the attack.
The victim later told police she got a "direct look" at the suspect, but did not recognize him.
Investigators declined to offer details about the victim, citing the ongoing investigation, but said she did not know her assailant.
Images of the suspect, vehicle and weapon allegedly used in the attack have been released in an effort to identify the perpetrator.
"We're open to anything at this point", he said.
In the meantime, police are appealing to the public for help identifying the suspect, adding that aside from wearing a baseball cap, he did not hide his face.
As for the weapon, police did not mince their words about the severity of the damage a crossbow is capable of. He arrived on the scene about 10 minutes before the attack.
Anyone with information about this incident is asked to contact investigators at the 11 Division Criminal Investigation Bureau using the dedicated tip line of 905-456-5840.