A retired Master Peace Officer, a Licensed Professional Counselor, and a dedicated investigator — working together to deliver results.
Our investigators conduct interviews, locates, surveillance, and more — backed by law enforcement-grade methodology.
Two Masters-level licensed mental health professionals on staff provide in-house clinical consultation for mitigation cases.
From capital cases to high-level felonies, our retired Master Peace Officer brings courtroom-ready investigative experience.
Master Peace Officer (Ret.), Private Investigator
Billy retired as a Master Peace Officer — the highest law enforcement certification in Texas — after a distinguished career that included criminal investigations, high-level felony cases, and capital defense work. As CEO and Chief Investigator, he oversees all day-to-day operations and case strategy, bringing a level of law enforcement rigor that sets Guerrero Investigations apart.
M.A., LPC, Private Investigator
Cherisse holds a Master's degree and is a Licensed Professional Counselor (LPC) — a credential that makes her an invaluable asset in mitigation investigations and any case where mental health expertise matters. As COO, she leads the firm's clinical consultation practice and brings a depth of insight into human behavior that few investigation firms can offer.
Private Investigator
Deacon Billy brings a wide range of knowledge and a compassionate approach to every case. He holds a degree in theology from the University of St. Thomas, and his background gives him a unique ability to connect with clients and witnesses in sensitive situations.
