From Heavy.com...
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"She was reported missing on Thursday, June 20, by family.
Police said Luecke landed at the airport at 1:35 a.m. and texted her parents at 2:01 a.m. to say she had arrived there.
She took a Lyft rideshare at 2:42 from the airport to a park in North Salt Lake.
Police said at a June 24 press conference that interviews with the Lyft driver revealed Lueck met someone in another vehicle at Hatch Park in North Salt Lake when the rideshare driver dropped her off at 2:59 a.m.
Police declined to release details about the make and model of the car or a description of the driver that Lueck met because they have not confirmed those details and do not want to put out possible misinformation.
“Detectives have spoken with the Lyft driver and learned that MacKenzie was met at Hatch Park by an individual in a vehicle.
The Lyft driver left MacKenzie at the park with that person and stated that MacKenzie did not appear to be in any type of distress.
We have not yet confirmed the make and model of the car or the description of the person, but may release further details once we have verified that information,” Assistant Police Chief Tim Doubt said.
He said the driver saw Lueck make contact with the other person, but was not sure if the driver saw her get into the other vehicle or leave the park."
https://heavy.com/news/2019/06/mackenzie-lueck/
"Lueck met someone in another vehicle at Hatch Park in North Salt Lake when the
rideshare driver dropped her off at 2:59 a.m."