How do I get at the bad guys during 'Caught in the Loop'

The best strategy I have found for this is taking them on one at a time.

By that I mean wait down a street where you are able to t-bone the enemies, Wen they are near race up the street (You need enough speed) and t-bone the back car. as soon as this happens hop out of your car and race over to their car. You should get there just before they get on there feet. Knock down that enemy.

Now hop in the car that they just hopped out of and take off. Do not stick around as you will be killed. They will chase you. Your goal now is to take out the other enemy (traffic lights work well for this) and again knock them down.

Switch to this enemies car again and high tail it outa there!

Convoys are my least favorite missions. The way I do it is I slam my car into any of the enemy cars and the targets will usually get out and try to shoot you, so while others are chasing me, I drive not too far away, so all the convoy cars (except target) follows me, then I drive back and stop right next to the target and knock them out as soon as I get out of car.

One easy way is to hack the things(eg. stream pipe) to eventually "kill" the target, that is considered a valid KO than gun shooting.