Overview

• Roy formally launched his campaign on Thursday to succeed Ken Paxton, who is running for U.S. Senate against Sen. John Cornyn.
• Other declared Republican contenders include state Sens. Joan Huffman and Mayes Middleton, along with former deputy attorney general Aaron Reitz.
• Cruz highlighted Roy’s tenure as his first chief of staff and touted his conservative record in announcing the endorsement.
• Roy previously served as Texas’s first assistant attorney general and as a federal prosecutor, and he has clashed with Paxton, calling for his resignation in 2020.
• The Republican primary is set for March 3, 2026, and President Trump has not issued an endorsement.