north to spill down. and then when it rises up, it allows the above average heat to bubble up, too. that s what we re dealing with right now. isa? do keep us posted, tyler. thank you. the cnn weather center. now, later today a coroner in the u.s. state of wyoming is set to release gabby petito s autopsy results revealing how she died. her death has already been ruled a homicide, and authorities are still looking for her fiancee brian laundrie. cnn s leyla santiago has more on the intense search to find him. reporter: what was once a search with atvs, helicopters, a dive team, now looks like this. no sign of any search teams at this 25,000 acre reserve, and yet the nationwide manhunt for brian laundrie is intensified. reporter: still no sign of brian laundrie. reporter: north port police tell cnn they have found in physical evidence of laundrie at the reserve. investigators still don t know exactly where laundrie is today. nearly four weeks after he went
bills. of course, it is only a short-term solution. in the coming weeks, the fda is expected to decide whether to allow children to receive pfizer s covid vaccine. now, the father of brian laundrie has joined the police manhunt in florida for son, the missing fiancee, of course, of gabby petito. she was murdered while the couple was on a trip in wyoming. her family hopes he is found alive so they can get some answers. here s cnn s leyla santiago. reporter: brian laundrie s father chris laundrie assisting authorities in the search for his son. after leaving his house alone this morning, chris is seen entering the carlton reserve along with police. the attorney for the family telling cnn brian s father spent more than three hours at the 25,000 acre reserve, assisting authorities in the search. chris was asked to point out any favorite trails or spots that brian may have used in the preserve, although chris and roberta laundrie provided this information verbally three weeks ago, it
plan to. comes as north port police describe the behavior of brian s parents as, quote, odd after speaking to them on the day they reported brian missing. athena jones is out front. reporter: as the search for gabby petito s fiance, brian laundrie, atrpproaches its four week, no police activity visible today at the carlton nature reserve where laundrie s parents believe he went before disappearing. meanwhile, new details emerging about the period after laurndry returned home in petito s white van without petito on september 1st and before laurndry left his parents home on september 13th telling them he was headed to the 25,000 acre reserve. north port florida police now revealing they were watching laundrie before he left but were limited in what they could do because he had not been charged with a crime. if you talk to a lot of people who have experience in law enforcement, the guy goes for a walk in the carlton reserve. he is wanted for a crime. i mean, what what are we suppos
reporter: today brian laundrie s father chris laundrie assisting authorities in the search for his son. after leaving his house alone this morning, chris is seen entering the carlton reserve along with the police. the attorney for the family telling cnn brian s father spent more than three hours at the 25,000 acre reserve, assisting authorities in the search. chris was asked to point out any favorite trails or spots that brian may have used in the preserve, although chris and roberta laundrie provided this information verbally three weeks ago, it is now thought that onsite assistance may be better. brian reportedly told his parents he was headed to the reserve when they last saw him on september 13th. more than three weeks later and still no sign of gabby petito s fiance. the attorney for laundrie s parents telling cnn brian s parents believe he is still there, adding the parents see no reason to make a public call for brian to surrender to authorities because he says, quote, in shor