Sanderson and his brother, Damien, were the main suspects in Sunday’s attacks that left 10 dead and 18 injured. Damien’s body was found Monday on the James Smith Cree Nation. Miles was arrested by RCMP on Wednesday near Rostern, but suffered what the Mounties called a “medical problem” shortly after his arrest and was pronounced dead at a Saskatoon hospital. In the video, Blackmore said investigators received a call Thursday from a witness who reported seeing an unknown man walking south on a grid on Sunday at 7:40 p.m. Blackmore said the timeline and description of the clothing suggested to RCMP it was Sanderson, so officers changed their search area – and located the Nissan. Crystal Springs is located about 50 kilometers northeast of Wakaw. On Wednesday, Sanderson stole a Chevy Avalanche from the Wakaw area and that started the pursuit that ended with his arrest on Highway 11 south of Rosthern. Blackmore said RCMP had removed the Rogue from the area where it was found and will process it as part of the investigation. He also thanked the witness who provided the information. “This was the key to helping us solve another piece of this complex investigation, narrow our search and add to the timeline that our investigators continue to build,” he said. “We never know when a seemingly trivial tip might lead us to critical evidence.” RCMP are asking residents of the Wakaw, Crystal Springs, Weldon and James Smith Cree Nation areas to share any information about things like sightings, suspicious activity or thefts in their areas. Mounties still don’t have answers to some questions, including where Sanderson was between Sunday and Wednesday. The RCMP is trying to answer these questions and share as much information as they can with the public. “This is and continues to be one of the most complex investigations and public safety emergencies in the history of Saskatchewan,” Blackmore said, “and it continues to be an ongoing criminal investigation.”