Gutierrez announced his run on Twitter Mon. morning: "I’m running for the U.S. Senate to fight back..."
Gutierrez: "Uvalde happened because Republicans neglected the systems in this state that are supposed to keep us safe."
Gutierrez is the second Democrat to challenge Sen. Ted Cruz for his seat: Rep. Colin Allred announced his run in May.
Who is Gutierrez? Gutierrez was first elected to the Texas House in 2008; in 2020, he was elected to the state Senate. (AP)