Produced by Jaime Stolz and Marc Goldbaum [This story originally aired on May 6, 2017] "To have anybody murdered is a shock to the community, but to have an 11-year-old boy and a housekeeper killed in the manner they were – I think is a whole 'nother level," Omaha Police Sgt. Scott Warner told CBS News correspondent Jim Axelrod. In 2008, a community was shocked by the brutal stabbing deaths of Tom Hunter and Shirlee Sherman inside the Hunter family home. Police found no DNA, no signs of a robbery and little motive for someone to want them dead. Five years later and six miles away, tragedy struck again when Dr. Roger Brumback, and his wife, Mary, were found murdered in their home. For the two law enforcement officers investigating the cases, the attack on the Brumbacks was eerily similar to what they found five years earlier with the Hunter and Sherman murders. Investigators would find more similarities between the cases and a trail that led to Creighton University … [Read more...] about Was revenge the motive behind Omaha stabbing deaths?