A former Clare hotel manager accused of filing a false tax return and his father, the hotel owner, accused of witness tampering, both pleaded guilty following an investigation by the IRS.  According to court documents, 58-year-old Harold Walls managed the day-to-day operations that his father, 86-year-old Karl Walls, owned. Harold Walls did not report any of the income he received from working at the hotel from 2013 through 2017 to the IRS, according to the U.S. Department of Justice.