Irineo Mujica has been a human rights defender for more than fifteen years, working in Mexico and the United States to promote respect for migrants’ rights and immigration reform. He joined the organization Pueblo Sin Fronteras in 2013 and is the organization's director in Mexico. He has founded seven migrant shelters in Mexico, participated in numerous hunger strikes, documented human rights abuses against migrants by authorities and organized crime and accompanied several migrant caravans. Mujica has been unjustly arrested and detained on numerous occasions while denouncing police abuse and participating in peaceful protests.
Irineo is a dual citizen of the US and Mexico; he has been arrested a number of times in Mexico and was named an unindicted co-conspirator in the federal case against HRD Scott Warren in the US. His name was also on a list of a leaked secret surveillance effort by US and Mexican authorities.