since thursday, investigators with cadaver dogs have canvassed the property of relatives of lloyd welch. in february, he was named a person of interest in the disappearance. >> there is a large area, and we want to make sure that we are thorough in grabbing every single piece of evidence off that mountain. we know who is responsible. each and every one of them, which includes lloyd welch and family members. >> reporter: police have not specified which family members or how many they think were involved in the lyon's abduction. >> i'd rather not say. they know who they are. >> reporter: as of now lloyd welch is the only one police have named as a person of interest and have not yet called him a suspect. >> that's a formality in the courts as well as applying for charges. it's not to say that we're not there yet. it's not to say that we are there yet. we're just doing a very thorough job in building our case. >> as you h are not yet naming lloyd welch's relatives who they believe were involved in the abduction and murder but believe those relatives are still alive. as far as the tip that

will ultimately hold those that harmed those girls responsible in a court of law, which includes lloyd welch and family members. >> this came at a press conference near a farm that montgomery county investigators have been scouring with virginia authorities since last week. that farm is linked to the uncle of a convicted sex offender named in the disappearance. his name is lloyd lee welsh, jr., sitting in a prison after molesting a ten-year-old. detectives won't say what they found, but clearly they have been searching for human remains. >> i want to make it absolutely clear. we will find out the entire truth. we know a lot already. but we are going to find out the entire truth of those people involved and we will bring them to justice. >> frank said welsh and family members all still alive are the focus of their investigation. >> lyon sisters were abducted in maryland and brought all the way to bedford, virginia, before being murdered. 12-year-old sheila and ten-year- old katherine disappeared in march of 1975. while walking to the shopping center. and now after 39 years, investigators expr

we know the property was once owned by the family of lloyd welch. in february, he was named as a person of interest in the cold yon sisters.l welch mashes a description of a man -- matches a description of " paying attention to the girls." a relative was recently questioned by police. me.t really scares >> our sister station tells us investigators plan to search for several more days. the 57-year-old welch is a convicted sex offender who is currently serving time in a delaware prison for an assault he committed their. -- committed there. he was just denied an early release from prison. >> we turn to a campus on alert tonight because just hours ago, georgetown university announced a student died, an apparent case of meningitis. we don't know what type of meningitis the student had. tom roussey is live on campus tonight. >> a lot of them are taking it very hard. tonight, they held a vigil for her. not only is this upsetting, it is also very worrisome as well. passionate,s very charismatic. page shows facebook a smiling young woman, a picture of perfec

obviously lloyd welch was identified. and when we did that, that opened up a flood gate of information for us. and working through that. >> it's been 39 years, captain. and lloyd lee welch was charged in february. what would be the motive now to start talking about what happened to the lyons sisters? >> i think when you look at the case of the 10-year-old and the 12-year-old that disappear, i think that it strikes everyone, the people of bedford, the people in montgomery county. justice needs to be done. i think that's why people are talking, combing through their memory of 1975 so they could help us resolve this. >> all right, captain darren we give our thoughts to you and all the investigators that are working tiredlessly on this case for decades. we sure hope you are able to give the lyon's family some information, the information they've been waiting for so very long. >> that's what we hope to do. thank you. >>> all right, can relisha rudd's disappearance be used to help other at risk children? tomorrow morning they w

new leads took officers to land once owned by lloyd welch, jr. >> it will ultimately hold those that hammered those girls responsible in a court of hau. >> investigators also say they believe welsh's family members may have played a role in the disappearance. they plan to search area through the weekend. >>> today is the final push for later school start times in fairfax county schools. the recommendation will be presented at the business meeting tonight. it proposes they start at 8:00 a.m. and middle schools 7:30 a.m. letting students sleep in improves their mental and physical health and academic performance. today is the last discussion before a final vote in october. . >>> when you think of high school football you think of friday night lights. now a school board will decide whether to turn them on for a high school. they want to add stadium lights. you can see how close the stay yum is to neighboring homes. neighbors think adding lights will mean con standpoint disruptions. they will review a report regarding the feasibility of adding lights. >>> they were supposed to play a key

new leads took officers to land once owned by the family of lloyd welch jr.e is called a person of interest in that case. >> we're looking to recover evidence that will ultimately hold those that harmed those girls responsible in a court of law. >> the investigators also say they believe that welch's family members may have played a role girls' disappearance. >>> tonight congress is a step closer to giving president obama the green light to arm and train syrian rebels. the republican controlled house voted in favor of the president's plan to fight isis in syria. the senate could vote on the plan as early as tomorrow. many lawmakers say they're on board as long it is a means preventing another ground invasion involving u.s. troops. >>> next, damage control in the nfl. a series of scandal that's could affect the league's bottom line. >>> new reports of a respiratory virus affecting children. we'll tell you where it is showing up in our area. and the nats punched their ticket to the playoffs. the tickets are already going fast. . >>> we have lerntd why a juror w

montgomery county police suspect lloyd welch kidnapped and murdered sheila and katherine lyons. >>> a d.c. council member is refusing to accept the conclusion of an investigation into how the city handled the disappearance of 8-year-old relisha rudd. jim graham said the city failed the little girl repeatedly and said city workers were legally required to report child abuse and neglect and failed to and he claims school staff delayed reporting more than 10 unexcused absences. >> you don't think have made a difference in the outcome of the welfare of this child? >> based on our review of the facts, no. >> it's not just city services under review. relisha's mother has also been under investigation and her three children have been taken from her put in protective custody. city officials say the police have referred charges against relisha rudd's mom to the u.s. attorney for potential prosecution. sources also say a grand jury will meet and could indict her mom if they find she lied to investigators and delayed their efforts to find the little girl. >>> election day is in about six weeks.

new leads took officers to land once owned by the family of lloyd welch jr., a person of interest in the case. >>> we're looking to recover evidence that will ultimately hold those that harm those girls responsible in a court of law. >> investigators also say they believe welch's family members may have played a role in the girl's disappearance. >>> well, how many times a day do you use your smart phone? coming up, we're going to tell you how much each use is going to cost you if you buy the new iphone 6. plus, the author of top secret recipes is here. he will show you how to mix up your own gatorade. we'll be right back. >>> no matter how you may fill it or pour it, chances are when you do a load of laundry, you're overloading on detergent. a new survey found most people don't read directions. no matter what brand you buy, you should always read the directions. different formulas require different dosages. too much determinant can damage your washing machine. >> it can actually shut the machine down. it can clog up drains. it can cause a really bad odor. >> it's not just bad for you

. >> police are searching an area once owned by lloyd welch's family. welch is consider add person of interest. the sisters vanished back in march of 1975 after walking home from wheaton plaza. >>> a suspected child killer is in custody after a nationwide man hunt. >> davon wallace arrested in d.c. weeks after police say he killed 3-year-old knijah bibb. police say she had been playing with her cousins along forest terrace in landover when wallace showed up, got into an argument with someone inside the home. they say he allegedly pulled a gun and started firing shots. one bullet went through an upstairs window and killed the little girl. >> i'll never be happy without my baby. i just want to say thank you all for helping get the killer. >> wallace is now waiting for extradition to maryland. >>> a georgetown university student has died from an apparent case of meningitis. andrea jamie was supposed to graduate next year from the school of nursing. the university is still waiting for test results to confirm the exact cause of her death. health officials sa

the land they're searching was once owned by the family of lloyd lee welch jr. back in february, montgomery county police named him as a person of interest in the case. sheila, who was 12 and kathryn who was 10 disappeared in 1975. they were never heard from or seen again. and their case had gone cold until this past february when welch was named for possibly being connected to the case. and in a statement, the bedford county police department says its officers had been meeting with montgomery county detectives since last week. so while we are unsure which leads or tips police are working from right now, they have been at this for several days and seem to be prepared to continue working there in thaxton, virginia. at the live desk, i'm pat lawson muse. >>> chilling words from the man who took down the navy yard gunman. >> there was a moment going into a room i knew it was either me or him. just kind of take a breath and go in. >> from the dramatic first-hand accounts to the tributes for the lives lost, and the questions about security. >> is the washington navy

reporter: no one was ever charged in the disappearance, but this year lloyd lee well which was named a person of interest. >> -- welch was named a person of interest. >> investigators established the fact that welch was on the plaza march 25th, 1975 and he was observed paying attention to the sisters while at wheaton plaza. >> reporter: since thursday police have searched property in bedford county that once belonged to an uncle and aunt of welch. long time residents of the area say welch who goes by the name michael spent time in the area as a child. the 54-year-old has been in prison in delaware since 1977 serving a 30 year sentence for sexually assaulting a young girl. he's been charged in several states for sexually offending young girls. it's reported welch denied any involvement in the lyons disappearance, but his stepsister doubts his innocence telling the usa today he's been a liar all his life. sorry to say that. sometimes he tells you the truth and sometimes he don't. welch, who has not been charged with anything relating to the lyon sisters disappearance is scheduled to be released from prison in 2026. the