Authorities on Friday announced the arrests of four people in connection with a May double homicide in Wynnewood.Get the latest news stories of interest by clicking here.Officials from the Oklahoma State Bureau of Investigation and the Garvin County Sheriff’s office said the four connected to the killings are from Texas and that a lot of agencies stepped up to make the arrests."It's a case that everybody has worked extremely hard on to find out who is responsible,” said Hunter McKee, with OSBI.Danny Daniel, 62, and Destinie Dalstead, 39, were found dead on May 31 at a Wynnewood home. >> Download the KOCO 5 App"We tend to know each other and if we don't know you, we know your family. So, we took this to heart,” said Garvin County Sheriff Jim Mullett.Those arrested are all currently in jails around the Dallas-Fort Worth area."They had committed other crimes down in Texas as well. That's where they were located initially and that's why they were arrested and booked,” McKee said.Both McKee and Mullett said they’ve been looking at the suspects from the beginning."We have never stopped looking for these people. It just seemed like it started to come together piece-by-piece,” Mullett said.Those arrested will eventually be extradited to Oklahoma.Top HeadlinesInvestigation continues after bodies of 2 toddlers found inside car on Norman roadTaylor Swift shows at Arrowhead Stadium to watch Travis Kelce, Chiefs face Ravens in NFL openerOKC metro school districts take action after shooting threats circulate onlineTeen charged in deadly shooting at Georgia high school appears in court for hearingTwo brothers, two sisters charged in death of 7-year-old Midwest City