[1] While a deputy, he also led the translation of the Quintana Roo state constitution into the Maya language, which was finished in 2020.

[3][2] After his term ended, a proposal he led to reform Mexican migratory laws to allow the use of biometric passports for entry and exit passed the Senate of the Republic in March 2022.

[2][5] While he had been serving as the presidential liaison to the Tren Maya project after leaving the Chamber of Deputies, he withdrew from public life—with the exception of his Denuncia Ciudadana radio program—in the wake of the allegations.

[2] Alegre Salazar died on 5 November 2022 in his Cancún home as a result of cardiac arrest; the news was announced on Radio Turquesa.

[6] President López Obrador was in the Quintana Roo state capital of Chetumal when the news was received and spoke to Gastón Alegre by telephone.