i'm craig melvin. first we have breaking news in northwest washington. a body has been found near a dog park. police say a body was found in an suv. it was discovered around 3:15 this afternoon. it was 11th street northwest, right near a dog park. police are only saying it is a dog park. they are looking into the sirngss surrounding his death but a body found near the dog park on northwest washington. we will of course pass on more information as soon as we get it. >>> back to our top story now. the early morning crash that happened in prince george county. it happened near wilson bridge drive. police believe alcohol was a factor. derrick ward has that story. >> it is a heavily-traveled artery in prince george's county. before sunday's sun rise, it turned deadly. this mazda 3 was was near wilson bridge drive tp p t was struck by a yukon. both vehicles were moving and the impact was tremendous. >> the yukon struck the mazda from the year causing the mazda to lose control, veering off the road and striking a tree. >> two women in the mazda were thrown from

craig melvin, nbc news, washington. >>> that's "nbc nightly news" for this sunday. brian williams will be here tomorrow. i'm lester holt reporting from new york

from northwest, craig melvin, news 4. jim, back to you. >> thank you, craig. >>> a d.c.olice officer will be held without bond on charges of murdering a mother and her baby daughter. today, prosecutors revealed new details about the case in court. 39-year-old richmond phillips is accused of murdering 20-year-old wynetta wright last week and playing a role in the death of her 1-year-old daughter. court documents say wright and phillips were captured on surveillance camera near the crime scene talking for seven hours. the documents show the two were involved in a paternity case and had a court hearing scheduled just hours after wright was killed. >>> violent and brazen attack inside a house in fairfax county prompted police to go door to door in that neighborhood tonight. they showed people living in one herndon neighborhood the sketch of the man wanted for sexual assault. jackie bensen in herndon now with more. >> reporter: this is the image of what police believe the suspect looks like, information provided by the victim in this case. scary in any language. but this case

craig melvin has more in "the 20." >> d.c.'ic schools do not have the same reputation for success as their suburban neighbors, but while parents are being urged to invest in the system, it appears d.c.'s lawmakers do not have the same level of commitment. and choose the private route for their kids. joining suslisa gardner of the "washington examiner." she is 1 of the 20, our list of the 20 people worth following in our community right now on twitter. let's talk about what folks are saying. you've gotten some feedback to this piece you wrote. >> a lot of parents and many people do not want to see any politicians using their children as political pawns. they say school choice is a historic part of d.c. why would anyone with the means send their kids to failing schools. it's widely acknowledged by other observers that these schools aren't going to turn around if the most active parents are, you know, leaving them, shipping their kids across the city to the better schools or enrolling them in private school. >> did any of the coun

i'm craig melvin. >>> joggers, walkers, bikers falling victim. there's concern whether police know how to get to the area. darcy spencer is live in northeast d.c. with more on where these attacks are happening and how authorities are responding. >> reporter: the crimes are happening here in the fifth police district. i'm told sometimes there is a delay in police response. that's because when people call 911, the person on the other end of the phone doesn't know where this trail is. bike, jog, or rollerblade on this paved path in northeast d.c. and you could become a victim of crime. over the last couple of weeks there have been numerous robberies. one woman complains on a local list serve that she was zapped with a taser as she rode her bike here. >> i'm a little shocked by it because i haven't noticed anything suspicious or out of the ordinary lately. >> reporter: we found out, if you call for help there could be a problem. residents tell me that when people have called 911, dispatchers don't know where the path is. this 1 1/2 mile stretch, know

tonight from washington, nbc's craig melvin reports on how one woman is tackling the problem and making difference. >> reporter: for this group of seventh graders at the washington school for girls, getting down the precision and rhythm for their first step show is about more than just nailing a routine. >> all right, you guys ready? >> reporter: with every stomp, clap and chant there's the hope they'll start to reverse what's become a startling trend nationwide. >> good job, ladies. i like those smiles. >> reporter: the waistlines of america's childrens have been growing for decades. the centers for disease control says nearly 20% of kids between 6 and 11 are obese. >> i was like, okay. >> reporter: when she's not coaching, dr. hancock of children's national medical center is a pediatrician at a clinic specializing in obese children. >> diabetes, hypertension, heart disease, problems with joints. i have several patients that have presented with several of those issues as early as 7 years old. >> reporter: hancock was once an elementary schoolteacher. but when she started her step up to