An attack to a military base [pt] in Guinea-Bissau on the night of October 20, 2012, took the lives of at least six people. BBC journalist Zenaida Machado (@zenaidamz) informs on Twitter that the alleged mastermind of the attack is Captain N’Tchama, a member of the army elite unit who “was also behind March 2009 attack that killed President Nino Vieira and Army Chief of Staff Tagmé Na Waie”.