No. They are knowingly going to their own death.

Yes, to a limited degree. Most probably have families that will be missing them.

No. They know what they're doing. Officers swear to uphold the constitution and any who disregard that oath get what's coming.

Yes and no. On the one hand they are just doing their jobs. On the other hand, it is the duty of free men to not follow unjust laws. I dont want to see police getting shot but i also don't want to see police confiscating guns