The FBI has released the results from Operation Summer Heat.
The Dallas FBI Field Office was responsible for seizing seven kilograms of Fentanyl and 29 firearms.
The Dallas office also arrested individuals for production of child sex abuse material, violent robberies, and drug-related charges.
They also extradited Cindy Rodriguez Singh out of India wanted on murder charges of her son and Cesar Pascual Orozco from Mexico wanted on murder charges in Garland.
Nationally the initiative made over 8,600 arrests.
The bureau also seized nearly 45,000 kilograms of cocaine, 421 kilograms of fentanyl and nearly 2,300 weapons.