Matarifeː An Unnameable Mass Murderer, known simply as Matarife La Serie or Matarife, is a web series by the Colombian journalist, writer and lawyer Daniel Mendoza Leal. The documentary-type series narrates journalistic findings that would relate the life of Álvaro Uribe Vélez with corrupt drug traffickers, paramilitaries, and politicians in Colombia. Premiered on social networks on Friday May 22, 2020, at 7:00 pm (19:00). It was financed and produced in Australia, United States and Colombia.The series was announced by YouTube on May 11. The trailer shows that the series is aimed at showing the work of journalist Mendoza Leal, who for years has investigated the judicial processes in which the name of Álvaro Uribe Vélez.The series is based on investigations by the journalist and lawyer Daniel Mendoza Leal, attorney in charge of the slander case against the journalist Gonzalo Guillén, denounced by Álvaro Uribe at the end of 2017. After winning the lawsuit they decided to publish the product of their investigations. The episodes are narrated in the first person by Mendoza.

The available information, however, does not have primary sources and has been controversial because some consider it a defamation against the politician, and others as an opportunity to know with more certainty about his judicial record, about whom they have branded as a dangerous criminal. Despite this, the series has enjoyed high expectations.