How can they charge me if I wasn’t there or live there ?

in trollville, it doesn't matter...THIS WAS ALREADY EXPLAINED YOU...plea not guilty due to mental disease or defect.

it could have been a crime through the internet...but if you did that< i would think you would know.

 or someone could have used your identity

Have you ever sold something to someone who lives in that city?  Chances are that is what it is about.  If you commit fraud while living in Texas with someone who lives in New York City, the crime would be both committed and reported in New York, not Texas.

Get a lawyer to represent you in the city in question.  Ignoring the summons will just result in a warrant issued for your arrest and it won't be limited to that state, but will be shared throughout the country.  So the next time you get pulled over for speeding, you will get arrested and put in jail if you don't resolve the charges against you now.

You've posted this question five times in five days and received excellent advise every time.  See an attorney who can review your case and advise you of the best course of action.

Go and get an actual lawyer and find something to prove you weren’t there at the time of the alleged crime

Someone gave your info.  

Three possibilities: Identity Theft, You did it by electronic mail or you are lying. 

Do you have evidence that you were not there, in court they present their evidence and you present yours.  You do not have be there to commit mail, phone, or internet crimes. 

Someone must have stolen your identity. 

Your claim that you weren't there is a matter of defense in the case against you, it's not a magic word that makes the cops disappear.  Obviously they have reason to believe you're guilty, they don't just grab a mail bag and start dropping off court docs at random people's houses.