articleThe Brief Callers are impersonating Montgomery County deputy sheriffs and threatening residents with arrest. Montgomery County officials are warning residents about a returning jury duty scam that has cost some victims more than $23,000. They may also know personal information about the person they are targeting, according to the Montgomery County District Attorney’s Office. Residents can call the Montgomery County Courthouse’s main number at 610-278-3000 and ask to be transferred to the Sheriff’s Office. The call can be reported to the Montgomery County Detective Bureau at 610-278-3368.