Peruvian prosecutors have accused police of torturing protesters at a mining camp in 2005 but cleared a British-Chinese metals company and its security firm of wrongdoing...A government investigation in the northern region of Piura found that more than two dozen people were kidnapped and beaten after protesting against the $1.4 billion Rio Blanco copper project...The inquiry concluded that a handful of...police officers were responsible for the torture. The investigation turned up no evidence against the project's owner, Monterrico Metals...and the parent company...Zijin Mining Group...Forza, the private security firm hired to oversee the camp and owned by...Securitas, also was cleared...Fedepaz, the rights group...[said:] "The prosecutors have decided to blame some of the officers identified as direct authors of what happened ... but not those who ordered (the torture),"...