every day, the boys walk away om woodside elementary in gren burning to a park nearby. >> you don't know what will happen next. quite simply, they don't know what will happen. these thee boys are homeless. they move six times in 11 months. one place less stable than the next. every day, after school, they come here to a playground near the last department they were able to call home. and it's here they wait unsupervise no one looking for them, for their grandmother to finally get off work. sometimes that's for more than six hours. >> i look around and -- >> look in her car. hours. >> two days. >> and sometimes, he's bored out here and he waits to see your car pull up. >> he does. >> does that hurt? >> yes. >> i don't know what i'm supposed to do. >> how could i help him? >> she's the boy's grandmother. she ended up with four of them after her daughter was sent away for burglary. she crammed them until her $12 an hour salary as a care give was stretched too thin. she and the boys were evicted the children now part of northern's 14,000 maryland schoolchildren that are homeless. until night