Pursuant to Title 37. Public Safety and Corrections; Part 1. Texas Department of Public Safety; Chapter 35. Private Security; Subchapter A - General Provisions; Rule Section 35.8, any complaints regarding investigative services should be directed to Texas Department of Public Safety, Regulatory Services Division, Texas Department of Public Safety at (512) 424-7293 or https://www.dps.texas.gov/rsd/contact/.