Keon King , the man accused of kidnapping Kada Scott in Philadelphia earlier this month, has been charged with arson for allegedly burning the car used in Scott's abduction, and prosecutors are preparing to file murder charges against him pending more information from the Medical Examiner's Office.

New charges filed against King, 21, include arson, causing a catastrophe, conspiracy and related offenses, prosecutors said Monday.

King allegedly burned a stolen 2008 Hyundai Accent prosecutors believe was used to move Scott to various locations, including the vacant Ada H. Lewis Middle School in East Germantown, where Scott's remains were found Saturday in a shallow grave. Police sources believe Scott died within 20 minutes after she left work on Saturday, Oct. 4.

Investigators have n

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