park in san diego adults are free to be left alone if they so choose but obviously in this case were just interested in making sure his wellbeing that hes alive and well and we can report that back to his family fifteen years after a high school student mysteriously vanished in california his sister is hoping a new clue will finally bring her family answers we just want to know that hes safe hes healthy we were doing everything we could to really help him she told abc news every unknown caller you think oh maybe its him trying to call home students often ran away from the school which has faced multiple lawsuits the san bernardino sun reported in 2009 selena yuen and lowery ask that anyone with information about daniel call 1800thelost in san bernardino county where theres never been a reported sighting of daniel yuen bachman said its still an open case and hes considered a missing person the ncmec was in contact with san bernardino investigators as recently as december 2018 lowery said we find a lot of children after many many years lowery told abc news yuen family their parents took him to several psychiatrists she said and one of them recommended he attend a boarding school specializing in helping children with depression he criticized what he described as harsh and controversial punishments by the staff daniel yuen is fine daniel yuen is still in the same area where you originally searched the message said the employee said she spoke with the man including about what neighborhood he lived in before he nervously scooped up the baby and left raymond said we are unsure of why he wouldnt call home poster seeking information on daniel yuen yuen family the ncmecs case file on daniel yuen remains open obviously its been very painful for us over the years for selena yuen the mysteries are unending about one month after his disappearance witnesses in the park reported seeing daniel yuen panhandling there raymond told abc news i feel its daniel raymond said on feb 8 2004 16yearold daniel disappeared said private investigator keith raymond raymonds theory is daniel yuen embedded himself with a new family concocting a story about his past and taking jobs that allow him to work under the radar yuen family years went by without a lead until december 2018 but until then the case will remain open not necessarily to disturb his privacy if thats what hes chosen starting at the same park where daniel yuens scent was last picked up raymond said he brought a progression photo showing what daniel yuen may look like at age 26 to a park office an undated photo of daniel yuen who was 16 years old when he disappeared in 2004 its been nearly 15 years since hes gone missing selena yuen who was 12 at the time called her brothers disappearance absolutely heartbreaking in january 2004 daniel started