It is very likely that if the Mexican authorities found out, the individual would be arrest and turned over to the United States (extradited).
Yes. You will be deported back into the United States.
Yes a red flag would show up when your passport was checked.
Unless the arrest warrant specifically states that the issuing agency will extradite then you can not be arrested for it.
Well, that depends upon whether the police catch you. A warrant means the police intend to arrest you. So if your id is run by the police when you exit or enter the country, you the warrant will show up and you will be arrested. If you fly by airplane, your id will likely get you arrested. If you go by car you will likely get into Mexico OK, but could get tagged on the way back in. Of course, you can cross the border like the illegals do, and then it doesnt matter unless you get caught. Short answer - get the warrant cleared.
yes, a warrant is a warrant.
No, they arresting officers do not have to have the warrant in their possession, only the knowledge that it exists.
Yes you could. That is called extradition.
If the warrant shows up in the national crime database, and they run your name, I believe it is quite likely you will be.
A warrant is a judicial order for an arrest. If the warrant was still valid, the law enforcement officer has no choice but to make an arrest.
Yes.
Then you could be extradited to the county that issued the warrant.
No
Yes.
if the warrant is for your arrest then yes you would be arrested