. >> rosa corvedo and her family have wanted to be alone. they fled their home in valencia the day after her brother was killed. witnesses say he was gunned down by two men. no one has been charged with his murder. evan was a community leader helping people reclaim their land. one of dozens killed in the last year. >> rosa and her family are now afraid of what could happen if they try ogo back. try -- to go back. a three-hour drive away, the area around the olava has one of the highest land claims. the government maintained that the criminal groups threatening them have no political ideology. but the threats activists receive often by text message tell a different story. >> these are copies of the messages and the threats that they've been receiving, the members of this community. it says, this one for example, first warning. we don't want in carmen oliva, those who call themselves the human rights defenders. if you are going oannounce something, do so, but beware. it's called the antirestitution army. >> the threats they are receiving. >> i