SPOKANE, Wash- Cassie Castner the mother of 18-month old Rylee Castner says she and her family is devastated after Rylee's death. "When I think about it I just want to breakdown and cry and jump in to his bed and just stay there," Castner tells KHQ's Dylan Wohlenhaus. More than a week ago Cassie says she left Rylee inside her home alone with her boyfriend while she was making breakfast upstairs. She says after she came back Rylee was sleeping. But when he woke up later she says he was never the same. Jody Kelley Rylee's grandmother also tells KHQ's Dylan Wohlenhaus she held Rylee later that day and "something was not right." She says Rylee was lethargic and was not himself. She says when she saw blood coming from his mouth that's when she called 911. Rylee was rushed to the hospital where he under went emergency surgery. After hours in the hospital Rylee did not make it. According to Jody Kelley and Cassie Castner they do not know what exactly happened to Rylee but they believe Cassie's boyfriend is responsible. Spokane Police have not said if they her boyfriend is a suspect. Police say it's an on going investigation and they are interviewing people who had contact with Rylee.