Aaron Davis, also known as the Prowler, is a criminal working within New York City. Wanting to further his criminal interests, he sought out Jackson Brice and Herman Schultz, two criminals who were working for Adrian Toomes' Crew, in order to purchase their alien-human hybrid weapons. During the meeting, however, Davis encountered Spider-Man, who had saved his life. As a result of his life being saved, Davis agreed to help Spider-Man get all the alien guns off the streets where they could endanger innocent lives.
In a deleted of Spider-Man: Homecoming, it's been close to 2 hours after Spider-Man has webbed the Prowler. Aaron calls his nephew: Miles Morales to tell him he won't be making it home that day.