nbc's dan schenamen has the latest. >> reporter: it was a brazen attack on dallas police headquarters. >> we're getting shot at at headquarters. >> reporter: just after midnight, a man opened fire with an automatic weapon. the armored van rammed the police car before leading police on the 12-mile chase. coming to a stop in a restaurant parking lot. >> we didn't know what was going on. and next thing you know we're locked in. and they're telling us to get down. >> reporter: fearing the suspect may try to flee, a police sniper shot the engine, disabling the vehicle. >> our snipers shot at the suspect through the front windshield of the van, striking the suspect. >> reporter: killed -- 35-year-old james boulware from dallas. back at police headquarters, police found suspicious bags. one carrying pipe bombs that exploded when a police robot tried to move it. then they used small explosives to make sure the van was not rigged as well. boulware's father says when his son lost custody of his child, he blamed police. >> every one of us has a breaking point. some is one point, some it's anothe

dan schenamen, nbc news. >>> and right now we have an update on that breaking news on metro.e now know that heavy rain caused an arcing insulator incident on the red line. metro telling us this morning that there is no smoke or fire in the tunnel. trains are single tracking between friendship heights and medical center. the power is now shut down on the tracks. >>> developing this morning out of philadelphia, one person is now home. but six others are in the hospital following a shooting at a block party. philadelphia police say three children were hurt including an 18-month-old baby who was shot in the neck. they say the shooter had a shotgun. they're working right now to track him or her down. >>> in detroit one person died at another shooting in a block party overnight. it hit ten people on a party on a basketball court. eight are in serious condition. one is in critical condition. police have not arrested anyone yet. >>> d.c. police telling us the name of the man someone killed a few days ago. they say jewells johnson was homeless and he was stabbed on calvert street nort

nbc's dan schenamen reports on the investigation and how the community is coming together. >> reporter: quietly they marched. >> i was tired of feeling helpless and i wanted to preach with my feet. >> reporter: and mourned. hundreds gathering to make their way to emanuel ame church to honor those lost including reverend pinckney. >> we should forgive him because clementa believed in a second chance. >> reporter: forgiveness for dylann roof. a website contains dozens of pictures of roof holding a gun and a manifesto type of posting including the statement that says, quote, someone has to have the bravery to take it to the real world and i goess that has to be me. it was a long and rambling and hate filled letter and he lashes out at african-americans, asians and those of the jewish faith. ♪ >> reporter: but it's faith of all kinds that so many in this grieving community are relying on. >> let's hold each other's hand let's climb on each other's shoulders and be here for each other this morning. and in the days to come. >> reporter: faith and perseverance as the church which has lost so

dan schenamen, nbc news. >>> d.c. police told us the name that someone killed a few days ago.oel johnson was homeless. he was stabbed outside the mission center on calvert street northwest. the stabbing right after -- it was a stabbing that happened on friday night. derrick ward brought us the first report about it yesterday. police are now offering a $25,000 reward in this case. >>> and a 16-year-old has died following a shooting in southeast d.c. police say malik mercer died yesterday morning. investigators say he was shot in the back as he stepped off of a bus. it happened on wednesday near the intersection of 28th street and naylor road. police arrested 22-year-old derryck decuir. he's charged with assault with intent to kill. those charges are now being reviewed. >>> well, coming up in the day ahead, the family of a d.c. reporter shot and killed by a stray bullet will hold a vigil for victims of unsolved murders. charnice milton was shot while waiting at a bus stop on good hope road on southeast. she was shot by a man on a dirt bike back in may. no one has been arrested i