A man accused of killing his father, a deacon at a Catholic church in Nebraska, allegedly tried to flee police to avoid being caught, authorities said. Martin Zak was arrested on Thursday, March 12, on charges of criminal homicide, felony flight to avoid arrest and felony theft in connection with the death of John Zak, whose body was found in Omaha on Wednesday, March 11, according to the Omaha Police Department. "The Omaha Police Department extends its condolences to the family and friends of John Zak," the department said in a Friday, March 13, news release. John, 69, was a deacon at St.