New Delhi, May 21 -- The Supreme Court on Wednesday said that attaching the properties of persons involved in illegal sand mining in the National Chambal Sanctuary is the best way to nab the "kingpin" as the top court reserved orders on issuing further directions to the states of Rajasthan and Madhya Pradesh for taking urgent steps to curb such illegal trade. Hearing a suo motu case arising from newspaper reports that depicted large-scale mining under the nose of the forest administration and police, a bench of justices Vikram Nath and Sandeep Mehta said, "If you are able to attach their property, that will be the best way to get to the source." The court was responding to a submission made by Rajasthan's senior bureaucrats who were summone...