[5] On 19 June, Bukele's security ministers announced the beginning of the Territorial Control Plan, a nationwide government anti-gang campaign.

[8] On 27 October, the Constitutional Chamber of the Supreme Court of Justice declared the events of 9F as unconstitutional, including the presence of the 51 police officers.

[11] In October 2020, opposition lawmakers criticized Arriaza for not obeying two government orders: one by the Legislative Assembly to make Minister of Finance Alejandro Zelaya testify before the legislature, and one by Attorney General Raúl Melara to allow garbage trucks to access the Nejapa landfill as police officers were blockading access.

[14] On 10 November, the FGR filed a petition to remove Arriaza as vice minister of public security and director of the PNC for allegedly failing to complete his duties regarding the two orders he disobeyed.

[18] On 4 December, the Legislative Assembly voted to suspend Arriaza from carrying out his duties as director of the PNC pending the outcome of his removal case.

[26] On 8 September 2024, Arriaza met Honduran authorities at the El Salvador–Honduras border to accept the extradition of Manuel Coto.

While flying back to San Salvador, the Salvadoran Air Force Bell UH-1 Iroquois helicopter carrying Arriaza and Coto crashed near Pasaquina in La Unión Department.

[34] Arriaza was buried on 11 September following an official funeral for him and the other victims of the crash at the former presidential residence in San Salvador.

[26] Commissioner César Flores Murillo, the director of the National Academy of Public Safety, replaced Arriaza on an interim basis.