Donatella Rovera, an investigator with the rights group Amnesty International who recently spent several weeks in Syria, said it was clear that opposition supporters had resorted to brutal tactics as they target members of the security forces.
"They capture people, we've seen evidence of them having beaten them up ... and in some cases they have killed them," Rovera told Reuters.
Some Syrian rebel fighters are committing human rights abuses
"They capture people, we've seen evidence of them having beaten them up ... and in some cases they have killed them," Rovera told Reuters.
Some Syrian rebel fighters are committing human rights abuses
