Need Help !!!!!loose Money After Citibank Close My Account.

i had account on citibank in las vegas ,nevada,on some day in march 2012b i went to wa. state to visit my daughter .on the way to wa.i feel up the gas but my debit card was declined, i did'nt know what happen?when i got into wa.state i could'nt find any citibank ,so i tried to call to citibank brand .but noone can help me ,the unswered i got is my account closed.they want me to go back there to close my account.couple day later i bwas have an a car accident,can't go nowhere,on june 8th. i called to the citibank brand at las vegas again ,waitting almost 2 hours to unswered but no one can help me.they want me to call the vnumbere on back of debit card ,idid call ,a 1/2 hour later one of the supervisor there told me that my account been closed they can't help me at all ..they keep send me back and forward to las vegas #.and want me to go to the brand there to find out ...yes how much for the ticket to go overthere ?I'm realy sure that i nstill have 149.00 doolars in my account ,where my money go .is that citibank tried to keep my money and can't find out where my money go?no one can't help me solve this problem that mean citibank cheat my money ,i'll send and post this letter every day till i find out where my nmonjey is....my name brian r. eng my bank brand in maryland pkw. las vegas nv.