Canadian silver producer denounces harassment, violence from illegal miners in Mexico

[caption id="attachment_773787" align="aligncenter" width="600"] 2011 march against cartel violence in Mexico.[/caption] Vancouver-based Great Panther Silver Ltd. (TSX:GPR) said Wednesday an illegal miner was killed in a clash with guards at its silver mine in Guanajuato, central Mexico. Robert Archer, President and...