>> reporter: an arlington county police officer sits outside the apartment where 59- year-old keafe spriggs lived. he and his temporary houseguest, 31-year-old carl moten were killed tuesday morning. yesterday there was a stabbing right out in the open along wilson boulevard. a man who tried to stop a thief from stealing his vehicle was stabbed multiple times. police are searching for the suspect. and for the men seen in this surveillance video committing an armed robbery at a check cashing store along columbia pike. a suspect was arrested in the july 27 murder of tommy wong who was killed inside his jewelry store. so many violent crimes in such a short period has some residents on edge. >> it's very tragic. >> it is certainly something that concerns us. >> reporter: police chief douglas scott doesn't see any connection between the crimes. neither does this lifelong resident. >> these all seem to be isolated incidents. hopefully it's coming to an end now. >> reporter: peggy fox, 9news now. >>> one day of mourning in oak creek, wisconsin, for the victims of last weekend's shooting at a sikh

the bodies of carl moten and keafe spriggs were found yesterday in their apartment on north culpeper street. detectives are not yet calling this a homicide investigate but they do say the deaths are suspicious. >> two bodies were discovered in the front living room area of the residence. there was blood discovered on scene. we are continuing the investigation at this time. >> investigators are looking to interview witnesses so if you saw anything, you're asked to call arlington county police. >>> the time right now is 6:05. i am watching your money. the amount of money flowing into new companies this year has been dropping around the nation. with venture capital investments down 12% at last count. but the d.c. region has been holding steady. start-ups in maryland, d.c. and virginia hauled in $206 million. one start-up attracting money and attention addresses a long time social problem. ever walk into a wedding reception or party without knowing anyone else in the room? >> reporter: for don inspiration came from attending a wedding. >> i wanted to see where the cute girls were because

keafe spriggs is and carl moten were found dead in their apartment on north culpeper street. arlington has had four homicides in the last four weeks. >>> weather permitting work will begin on removing nearly five dozen trees from great falls, virginia. the work was pushed back. vdot is removing the trees because they could fall causing a deadly accident like the one that killed a man on georgetown park last month. >>> three hates last night and four runs drove in. d.c. destroyed san francisco 14- 2. gio gonzalez picked up his 14th win. >>> time to get the answer to the question of the morning. that question one more time. according to a harris poll,50% of people admit to watching these types of shows very often. is it a, cartoons, b, cooking shows or c, shows about zombies. >> the answer is b. most of you had it right. >> more traffic and weather when 9news now returns and coffee for me. >>> one more thing before we go. how would you like to get to london in less than an hour? >> how about hypersonic travel? five times faster than the speed of sound? whoa. this is the new jet

county's third and fourth homicides in the last three weeks after none in two years. 59-year-old keafe spriggs and 31 yearldz carl moten were found inside spriggs apartment on north culpeper street tuesday. authorities are not saying how the men died. >>> at 6:04, a follow-up on a story we first brought you with our partners at "u.s.a. today." only one d.c. public school will be investigated as part of a standardized test cheating scandal. that school is the education campus. the principal resigned after a "u.s.a. today" investigation last year. it found a high number of erasures on tests which were supposedly done by the teachers. the school's chancellor says there's no evidence of widespread cheating at other schools. >>> people across our region are remembering the members of the sikh temple who were gunned down last weekend. over here to my left you can see people were outside the white house last night. they condemned not only that shooting but all hate crimes. to my right, there was a candlelight vigil here, this one in silver spring. montgomery county's police chief as well as represent