Here is the timeline as I understand from her father.
Tuesday Dec. 21,2021 he brought her lunch and a vape at 3:30-4:00pm. She was fine, they visited for a bit.
At midnight of December 23,2021 the last outgoing text was sent from her phone.
On Thursday December 23rd, 2021 her father dropped that package by her front upper door at approximately 8:30 am. ( dad did notice that the walk gate to the property across from the field where the Town Pump truck stop is was open) The package contained CBD products she was using to treat some mental health issues. When her dad returned at approximately 1:00 pm on that same day to put up a handrail on her steps or deck he noticed the package was still where he had placed it that morning. He knocked on her door and got no answer. He used her punch code to gain entry and put her package on the couch, he took a quick look around and determined she was not there.
On Friday, December 24th he returned to her place to finish the handrail. While he is there he again knocked on the door and again receives no answer. He again used the punch code to gain entry and determined she was still not there. On Christmas Day he went to Fairview, MT for Christmas and texted and called her, the phone rang but he got not response.
On Monday, December 26, 2021 Hank spoke with his sister concerning Katelynn and they made a plan that he would go back to Katelynn's home and see is she was there and to enter again and see if the phone was in the apartment. Dad used his cell phone to call Katelynn's cell phone but he did not physically see it or hear it ring. Dad assumed wherever his daughter was she must have her cell phone.
On Wednesday December 29th, 2021 the phone started going to voicemail and he was hoping she would charge it.
On Friday, December 31, 2021 just before 7:00 am he reported her missing to the Richland County Sheriff's Department. The families nightmare continues to this day. Pray for them, make a donation, hand out flyers, they do these interviews so that the entire country will help them find their daughter. There is no room for judgement. These parents love their daughter.