The Bucks County Courier Times says a Bucks County judge upheld the charges Monday against Dale Wakefield of Doylestown.
Prosecutors allege that Wakefield stabbed 71-year-old George Mohr at least 70 times with a pocket knife on July 3 outside the Doylestown train station.
They said he had been out celebrating his 21st birthday before the stabbing. Mohr died three days later. Wakefield was later arrested in a Baltimore hotel.
Wakefield's sister testified at Monday's preliminary hearing that her brother "just snapped" when Mohr said something to him after his request for money was rejected.
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Information from: Bucks County Courier Times, http://www.phillyburbs.com