Four men have been arrested in connection with the murder of the Honduran indigenous activist Berta Cáceres, who was shot dead at her home two months ago…[Including] an engineer for the Agua Zarca dam being built by Desarrollos Energéticos SA (Desa), and…a retired military officer and the former head of Desa’s security detail…The four men were due to appear before a judge later on Monday, where prosecutors will outline their alleged links to the crime…Rodriguez had allegedly threatened Cáceres just days before her death…Cáceres reported the incident to the authorities, and accused Desa of using local thugs to intimidate her…The investigation thus far has been condemned by Cáceres’ family, colleagues and independent observers…The government has so far rejected an offer by the Inter-American Commission on Human Rights to send a team of experts to Honduras…