The man is suspected of being involved in the stabbing. Last Saturday, a 26-year-old employee of the youth institution was killed.
Shortly after the incident, a nineteen-year-old man from Emmen was arrested. The second suspect, a 16-year-old boy, fled after the stabbing. He was arrested a few hours later in the municipality of Meppel. Police are investigating their involvement in the stabbing.
The incident took place in the building of youth institution Yorneo on Stationsstraat in Emmen. The victim from Groningen died on the spot.