Former opposition councilor Norvin Tamisin[9][10] was arrested in Baguio City in November 2021 due to his alleged connection to the assassination, but later testified before Congress that he was framed by authorities.

[1] Upon his inauguration, Perez stated that his mayorship would focus on the town's sports development and traffic management, as well as the cleaning of Laguna de Bay.

[17] After his massage, Perez instructed his driver and assistant to bring the masseuse home, upon which he began feeding the carp in his koi pond behind the town hall and taking a stroll in an open area with one civilian guard present.

[25] In early May 2021, a Laguna police task force issued a murder complaint against former councilor Norvin L. Tamisin and government official Glenn Arieta based on eyewitness accounts of the incident.

[12] In October 2024, Tamisin was invited to testify before a congressional inquiry into extrajudicial killings during the Duterte administration, where he asserted that he was framed by the police through the use of a "bogus" witness to place him in the crime scene.

[29][12] Tamisin also confirmed in the hearing that surveillance footage taken in Los Baños a few days prior to Perez's murder featured a man he considers to have a strong resemblance to Cebu City police captain Keneth Paul Albotra, a person previously cited in the hearing as being involved in Tanauan, Batangas mayor Antonio Halili's assassination, whom Tamisin believes to be involved in the assassination of Perez.