This photo provided by the Broken Arrow, Okla., Police Department shows Robert Bever, a suspect in the stabbing deaths of an Oklahoma family in Broken Arrow, Thursday, July 23, 2015. Broken Arrow Police spokesman Cpl. Leon Calhoun said Thursday that Bever and another teenage son were apprehended and expected to be charged in the deaths of their parents, three siblings and an attack on a fourth sibling. (Broken Arrow Police Department via AP)