POTTSTOWN, Pa. -

A judge has denied an attempt to shorten a sentence for an admitted killer in Montgomery County.

Edwin Carrero has been denied a reduced sentence.

He was sentenced last month to 23-46 years in prison.

Police say Carrero strangled his girlfriend, Alicia Schmidt, at her home in Pottstown in February of last year.

Carrero admitted to third degree murder a year later.