He continued on to attend Southern La Union National High School (DMMMSU) for his secondary education and graduated 1st Honorable Mention.
Eriguel went on to study at the University of Santo Tomas where he pursued a pre-medical school degree, BS General Medicine.
[4] During his term, Agoo underwent various redevelopments and started various programs and events enabling it to reap regional and national awards such as the Hall of Fame Awardee as the Cleanest, Safest and Greenest Municipality - 1st to 3rd Class Municipality Category (Gawad Pangulo sa Kapaligiran) Regional and National Level.
[15] On June 11, 2014, Eriguel filed House Bill 4644 in an attempt to create a new city in the Second District of La Union by merging the municipalities of Agoo and Aringay.
[22] The Saranay Award is given to those with the “highest degree of excellence in their chosen fields.”[23] Eriguel's caravan was involved in a bombing incident, believed to be an assassination attempt, on April 30, 2016, in Agoo, La Union.
The incident claimed the life of his driver, Jiovannie “Dalmas” Cacayuran and seriously injured eight (8) other individuals including his Aide, Samuel Ofiaza who lost his right eye.
[24] On August 16, 2016, Eriguel was included by Philippine President Rodrigo Duterte as one of the local government officials and legislators allegedly involved in illegal drug trade[25] in his "I am sorry for my country" speech.
The reporter said there were several personalities close to those in charge of providing the list to the President who have taken advantage of the situation to include the names of their rival politicians.
[31] On June 17, 2018, Eriguel, who had been a founding force in former Vice President Jejomar Binay's United Nationalist Alliance, was sworn into the ruling PDP–Laban party by Speaker Pantaleon Alvarez.