Mysterious mailers, texts target Round Rock residents

ROUND ROCK, Texas (KXAN) — Mystery mailers and text messages are targeting residents of Round Rock."We appreciate our Round Rock Police Department," the mailer reads. "We need the mayor and city council to fully support them. Until now they haven't been." Group pushing for new billboards in Round Rock fails to gain enough signatures on petitionIt states the city needs to "reduce 911 call response times," "hire more detectives" and "[the city needs] a specialized unit focused on human traff