A man was sentenced last week to 40 years in state prison after he was convicted of killing his ex-wife in Camden County in 2020, authorities announced Wednesday. Philip Puche, 76, of Cherry Hill, was convicted on April 3 of murder, first-degree robbery, second-degree burglary and third-degree possession of a weapon for an unlawful purpose before his sentencing on May 15, the Camden County Prosecutor’s Office said in a release. Puche attacked 63-year-old Nancy Kenney on July 19, 2020, just as she was entering her car outside of her home on Road C in Audubon Park, the office said. Haddon Townsh…