excuses. it was a human error that caused this to happen. >> reporter: for today, gabe gutierrez, nbc news. >>> we want to warn you about a new scam in arlington. some residents are getting calls demanding they pay a fine for missing jury duty. the scammers say they're from the arlington county sheriff's office or some other agency. if you get a call like this, call the sheriff's office and verify claim and remember, they're never going ask for money over the phone. >>> the fight started over someone's make america great again hat and ended with assault charges. the fight broke out saturday night outside the grillfish restaurant in northwest d.c., and a man from florida has been charged with three counts of assault. said something in the restaurant and it got violent outside. the suspect has been released from custody, but louis traveiso tells news4 he only acted in self-defense and calls it