an investigation from the bbc�*s mundo service has used computer—generated reconstructions to revealnside the prison�*s cells. layda ventas reports. this government footage of el salvador�*s so—called �*mega—prison�* went viral when it was released in february. it's called the terrorism confinement center or cecot. it's the centerpiece of salvadoran president nayib bukele�*s self—decla red war on gangs. since the huge media campaign that surrounded its opening, there has been no other information about life inside cecot. relatives of those detained have been desperately trying to find out what's happened to them. translation: when i saw the video on facebook- and i was going through it pausing and rewinding, he was almost unrecognizable. so very thin. i only knew it was him by his tattoos. angelica says her husband has no links with gangs. she's heard nothing further about him since he was arrested under emergency powers brought in in march 2022 by president bukele. through satellite imagery data released by the salvadoran government and documents seen by bbc mundo, we've gathered in

bbc mundo asked to film inside cecot after an interview with the government to address the wider issuesigation of this secretive mega—jail. what do you think are the main questions that surround it? and why is it concerning for human rights organizations and legal experts? there are many after stop we do not know who are the people inside, is it for their main leaders of the two main gangs in el salvador? but we know nothing about their identities or why they are officially 4000 people in this mega jail, if the maximum capacity is 440,000 people. again this is for our relatives. they know nothing about the location of so many people who have been arrested during the last year of the state of emergency in el salvador. secondly and more important is we know very little about the conditions inside this mega jail. that is why at bbc mundo, we have had this special investigation. you can have leica general idea about how well these people are living inside these cells and again, we saw according to some documents shared with us by an engineer who was involved in the construction of the mega