The thing is, people were worried that the hadicapped man was in danger of being hurt. The police got the call. The cop *had* to respond.

Picture this scenario: People alert the police. Police say "it's his right, he can go wherever he wants". Pickup truck hauling chickens in wire cages comes around the corner and strickes the man, killing him. Feathers go everywhere. Billybob doesn't get to have his chicken gizzards and beer for dinner. Who do you think will be the first party sued? Yep, the police for not taking action.

So now you're this officer, who is bound by duty to at least show up. You find the guy, and say "hey, I don't think this is such a good idea. How 'bout I give you a ride home?" the guy basically says "screw you". You ask his name, he refuses to tell you, and continues on his way (which fits the fleeing/evading description above). As a police officer, are you going to just say, "Okay that's his right" and leave? Now that you've actually been on scene, what happens when the guy gets hit and killed now? Now YOU are the one being sued, and losing your job and facing possible jail time for failure to perform your duty.

I know, if we think rationally about it, we would all say "he couldn't make the man get off the road, it's not the officer's fault". But cout is anything but rational. We've all seen how it works. How do you honestly think that case would turn out against that officer had he left the man and the man got killed, or even just hurt?

Wheelchair dude decided to take that officer, and intentianlly be defiant. I think the obstruction charge is fine.

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I'm like one of those idiot savants...well, except for the savant part.
"In order to increase awareness of the homeless, security have been given binoculars."