outside stuart isaac's burton burtonville townhome his suv and motorcycle are just like he left them, nearly a month ago, but no sign of the man neighbors say was the rock of the community. >> he was a good neighbor. he was out there in the snow. he was the first guy out, last guy to leave. he was very helpful. just a good guy. >> when i would take my evening walks and he was coming home from work, he would be sure to say hi and he was a pleasure to speak with. >> reporter: yvonne davis says isaac had talked about a road trip. >> since he bought the lexus he has always said that i'm just going to drive. i want to go do some driving. >> reporter: rangers on routine patrol in yellowstone national park found the lexus in a parking lot there sunday with the keys still in it but no sign of isaac. park spokesman al nash told us on the phone the trail has gone cold. >> we've had people out on foot. we've had dog teams. we've searched the area where the car was discovered from the air. we haven't turned up any clues. >> reporter: nash says there's no evidence of foul play, but isaac's friends

authoriiies are combing for 48 years old stuart isaac.ound a note indicating that he was planning to drive park officials located his car a week 1/2 ago. the keys were still innide but there wws no sign of him. >>> a sanitatiin worker hit by a truck is expected to recover. police say the 488year-old wooker slipped off the moving truck and was accidentally ran over. he was taken to the hospital with severe injuries to his leg. >>> police presence has iicrrased after another student3 ii mugged at the university of maryland college park. weekend and it's the latest in the string of robberies innthe area. ú%trols are now up and officers are looking through the hhndreds of cameras planted all over campus. they say one acttally captured part of the recent robbery. >> we do have some people that have come backkquite frequently to the campus that we know have no business on campus. >> despite the ecent incident, crimes on campus are down in neerly all categories, that includes sex offenses which have dropppd 41% over last year. robberies have dec

and we have crews searching yellowstone national park for a missing maryland man. 48-year-old stuart isaac from burtonsville was on a cross country trip and his black 2009 lexus sedan was found along a trail. >>> five minutes after five. orioles are negotiating with a concession stand operatorch the team is ending the relationship with ariamark which has rund the concession stands since it opened in 92. the company is proud of their 19-year partnership with the orioles and hope to work with the team again. >> big news. >> it is. everybody likes food at a ball game. >>> parents a story you won't want to miss. >> doctors are finding newborns are not getting enough iron to produce healthy growth. >>> and another celebrity gets the boot on "dancing with the stars" we will tell you who is haining their ship. >>> if you are taking a training train or bus, here a mark jones from the mta. hi, mark. >> reporter: good morning. we have wet roadways slowing things up a bit. allow extra time for getting there by bus. the number 7 with the diversion at lucerne and that's due to construction. 35 with a d

is underway in yellowstone national bark for a burtopsville man reported missing. 48-year-old stuart isaac was on a cross-country trip. his black 2009 lexus was found last sunday in a section of the grand loop road linking old faithful and west thumb. investigators haven't ruled anything out yet. >>> the crime statistics took front and center in baltimore county today, with serious crime down significantly. compared to this time last year serious crimes including homicides, rapes and burglaries all dropped. >> violent crime in our state is down to the lowest levels it's opinion since 1975. it doesn't happen by accident. it happens because of courageous police officers and county governments that are working, state's attorneys offices that are working and yes, a state government working and moving our state forward in the toughest of times. >> jim johnson says his force is fighting to make baltimore county one of the safest places to live in the country. >>> a sanitation worker is recovering tonight after nearly losing his life on the job. he fell from a garbage truck wand was run over. it