Finally , the executors covered the dead bodies with quicklime to accelerate their decomposition , and eliminate or minimize any evidence of the crime .
There , they were forced to dig their own graves , and then , they were shot dead .
The executors covered the dead bodies with quicklime to accelerate their decomposition , and eliminate or minimize any evidence of the crime .
There , they were forced to dig their own graves , and then , they were shot dead .