>> both challenging is trying to wrap your head around the seriousness of the disease. >> local police department who stood by his family. >> we hear of any kid facing the challenge of any disease, we step forward, you have to show parents that are going through this that they're not alone. >> the boston pd made devin an honorary commissioner, framing him, police made him cheese. he's relishing his new role. >> stay safe and be careful. do not get eaten by a bear. >> the boston pd has to help make day a little easier for a child suffering from brain cancer. they made 4-year-old an honorary police officer. >> what is also moving to me is to see the support coming from this department. >> it's something that we've done for years and years and years as a village as a whole. we have to take care of everyone