[Alberta's Child]

Even the appearance of a guy on a bicycle in an area not very close to the shooting scene would generate some curiosity if it occurred under the right circumstances (riding in the rain and riding at night are two that come to mind). And even if there is no reason to be suspicious about a guy on a bike, this kind of escape method would attract some attention if people at multiple shooting scenes notice the same thing.

[Grampa Dave]

Do you live in a city with a lot of bike riders?

If you did, you would not be making these statement/questions. That area has a ton of bike riders, and they don't attract attention.

An in shape bike rider can easily do the speed limit in cities, 25 to 35 mph. In 10 to 15 minutes they can be 2 to 3 miles from the shooting. More important in 2-3 minutes post shootings they can be a great distance. It appears that most of the shootings have come from wooded areas. They shoot and bike out the opposite way, get on a small side street and in a few minutes they are gone.

Trying getting in and out of a car, van or truck with a scoped rifle in the DC area now, and you might have twenty people phoning in to report you.