After leaving this office, he quit the People's Party and founded Avanza Ceuta.
[2] In 2019, Guerrero was named Minister of Health in the government of Mayor-President of Ceuta Juan Jesús Vivas of the People's Party (PP).
[4] He said that he had been recommended to take the vaccine by others in his team, due to his frequent visits to hospitals and his heart condition, hypertension and diabetes.
[5] He was also scrutinised during his ministry for continuing to practice medicine privately, and for a purchase of face masks at a far above average price.
[7] In January 2023, Guerrero was arrested and held on remand for alleged sexual abuse of unaccompanied migrant children in Ceuta.