Oh, he's got a knife. He's got a knife. >> Have your suspect. Looks like he's uh swinging around a cane walking through the center of the complex. >> Drop the cane. Drop the cane. >> I'm at Drop. >> Drop the cane. There you go. Turn around. Right now, you're being detained. You understand that? >> Yes, you are. Hey, >> I'm not being detained. >> I'm not being detained. >> Don't do it. Now you're under arrest. Don't do it. >> Oh, he's got a knife. He's got a knife. Stay lethal. Stay lethal. [screaming] under. >> Stop reaching. STOP REACHING. >> HE'S out on me brook. He's walking westbound towards Brook Haven.