SCHINVELD - In the missing person case of Mouhammed al Jader (29) from Schinveld, seven men and women have been arrested in the Netherlands, Germany and Belgium.Al Jader is said to be no longer alive. The public prosecutor in Maastricht confirmed the arrests, but would not say anything further. Al Jader has been missing since Aug. 5. His car was found in Stein a few days later with the keys still in the ignition lock. Family and friends previously stated that Al Jader had been threatened the day before his disappearance by the father of a friend, who, like Al Jader, was said to be into cannabis cultivation.