He later became a fellow at Harvard University's Ethics Center Lab on Institutional Corruption.

CNN: How Aaron Swartz helped build the Internet

Swartz, who completed a fellowship at Harvard's Ethics Center Lab on Institutional Corruption, frequently blogged about his life, success and personal struggles.

CNN: Internet prodigy, activist Aaron Swartz commits suicide

Since Mexico declared an open war on drug cartels, journalists have been kidnapped, killed and threatened -- particularly those who cover drug trafficking and institutional corruption.

CNN: July 30, 2012 -- Updated 1905 GMT (0305 HKT)