A Hampden Township man who police say tampered with and returned retail products to Mechanicsburg-area stores waived his preliminary hearing Wednesday afternoon.

Robert Keith Burns, 58, had been scheduled for a 2 p.m. hearing in front of Magisterial District Judge Kathryn H. Silcox but waived the hearing.

He remains confined to Cumberland County Prison, according to court documents. His bail was reduced from $50,000 to $25,000 monetary bail.

Burns purchased toothpaste and other health and beauty items, tampered with them, repacked them and returned them to stores on multiple occasions, according to the Cumberland County District Attorney’s Office. Although police did not know what Burns put in the products or how long he was doing this, it was occurring for at least several months, the district attorney’s office said.

The Pennsylvania Department of Health, which is conducting a separate investigation, said the case also involves food products such as mustard, ketchup and chocolate syrup.

Police have charged Burns with recklessly endangering another person, theft by deception, and criminal mischief-tamper with property.

A formal arraignment at the Cumberland County Court of Common Pleas is scheduled for 9 a.m. Nov. 14.

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Daniel Walmer covers public safety for The Sentinel. You can reach him by email at dwalmer@cumberlink.com or by phone at 717-218-0021.