Army revisits 2014 Tlatlaya massacre, arrests 7 soldiers for a second time They had been released in 2015 and 2016 due to lack of evidence Published on Thursday, April 1, 2021 8shares The Ministry of National Defense (Sedena) last month secretly rearrested seven soldiers in connection with an incident known as the Tlatlaya massacre, in which 22 presumed criminals were killed by the army in México state on June 30, 2014. According to the newspaper El Universal, which reported the arrests on Thursday, seven soldiers including a former captain who were released between 2015 and 2016 due to a lack of evidence were rearrested by military police and placed in custody at a military prison in Mexico City in mid-March.