She wanted to walk her dog in the forest – but the 17-year-old didn't come back from this walk.
After her parents reported her missing, the police launched a large-scale search operation with public searches and sniffer dogs, and a helicopter was also used.
Ten days later, early in the morning, a cyclist discovered the student's burning corpse in a nature reserve near Hamm.
Now the police in Dortmund arrested her 26-year-old ex-boyfriend.
A judge sent the electronics technician into custody on suspicion of manslaughter.
Chief prosecutor Carsten Dombert told the dpa news agency that traces of the girl had been found in a barn in Dortmund that belonged to the man's relatives.
A soil sample is now being analyzed by the State Criminal Police Office.
Vehicles that were available to the Dortmunder would now be examined in detail.
The autopsy of the corpse revealed that the young woman did not die of the flames, but several days earlier from "massive violence against the neck".
The couple are said to have split about a week before the 17-year-old's disappearance.
Two days after her disappearance on June 14, the 26-year-old brought the girl's dog, collar and leash back to her parents.
He looked for her again in the woods and discovered the dog, he claimed.
According to reports in the "Bild" newspaper, the craftsman is said to have expressed concern on social networks: "Nothing new yet.
I hope she is doing well."
Between Iserlohn-Letmathe in Sauerland, where the young person lived and disappeared, and where her body was found, it is around 48 kilometers via Autobahn 1.
On the way you pass Dortmund.
The question of where the young woman was in the ten days between her disappearance and her body being found is now occupying the homicide commission.
vet/dpa
