Here's a look at the stories that are keeping our reporters busy Friday: * Gang symbols are among the pieces of graffiti sprayed on buildings in one town, but police believe the vandals are copycats, not gang members. See some of their work and read more in our online report. * A mother and two sons give police a hard time during a drug arrest, charges say. * Her boyfriend was seeing other women on Facebook, so she punched him, a teenager tells police. * Two men charged in the explosion of a meth lab in 2012 enter guilty pleas in court. Look for these stories and more in tomorrow's edition of the Press Enterprise.