At the Bochum apartment, investigators found a suitcase with documents relating to airlines and airplanes.
In Sunday's late game, second bottom Bochum scored an upset 1-0 victory at SV Hamburg.
The car was developed by a team of students at Bochum University in Germany.
Mainz beat Nuremberg 1-0, Freiburg won 2-1 in Bochum and Borussia Moenchengladbach drew 0-0 with Stuttgart.
Opel employs 3, 300 people at the Bochum plant, though some jobs might be saved.
Dr Kranendonk decided to consult Martin Bruene, a professor of human psychiatric disorders at the University of Bochum, Germany.
German authorities said Jarrah lived in Hamburg and Bochum, and searched two apartments in the two cities.
But Bochum, the venue for last year's event, decided it could not handle the crowds and called it off.
ECONOMIST: The Ruhr��s attempt to reinvent itself takes a tragic turn
Werder Bremen are third on 21 points after recovering from conceding the fastest goal this season to beat Bochum 4-1.
The carmaker said it might manufacture components at the plant after 2016, and that its warehouse in Bochum will remain operational.
Talks with the unions about closing Bochum, which is one of Opel's four manufacturing plants in Germany, had been taking place since June.
Closing Opel-Vauxhall's Bochum plant in Germany and Ellesmere Port in Britain, as GM is reportedly contemplating, would cut only about a third of this.
ECONOMIST: Luxury cars are speeding ahead; lesser brands are stalled
After the World Cup he joined Vfl Bochum, a second-tier soccer club of the German league, and in 39 appearances he has scored 14 goals.
Opel has said it will end car production at its Bochum manufacturing plant in Germany in 2016 after production of its Zafira Tourer car ends.
Hoffenheim overpowered Bochum 3-0, Eintracht Frankfurt remained unbeaten after a 2-0 victory at Freiburg and Nurnberg beat Borussia Monchengladbach 1-0 thanks to an early goal from Peer Kluge.
Under-pressure Stuttgart boss Markus Babbel saw his side remain in the bottom three after conceding an 89th-minute leveler in the 1-1 draw at home to fellow strugglers Bochum.
With the World Cup behind him, Jong, who always dreamed of playing in Europe, has signed on with Vfl Bochum, a second-tier soccer club of the German league.
FORBES: Ping-Pong Diplomacy For China, Soccer For North Korea?
An example is the Exzenterhaus in Bochum, in western Germany.
Jarrah had recently been reported as missing by his girlfriend, who lives in the western German city of Bochum, after she had not spoken to him for some time.
Slovakia finally found a good delivery from Sestak on the right, the Bochum winger whipping a cross in from deep for Vittek to plant a perfect header into the bottom corner.
John, the only living survivor of the 3, 500 slave labourers at a steel mill in the German town of Bochum, also found ways of bolstering his meagre rations to get by.
Scientists at Imperial College London and the Ruhr-Universitat Bochum in Germany, who carried out this latest study, believe their findings may explain why so many children go on to develop these problems.
BBC: RSV infects most babies within their first year of life
Elsewhere, Schalke missed a chance to keep pace with the leaders as they conceded a 90th-minute equalizer from Bochum striker Stanislav Sestak to draw 2-2 having thrown away a two-goal lead following strikes from Vicente Sanchez and Kevin Kuranyi.
In December, Opel said it would end car production at its Bochum manufacturing plant in Germany in 2016, with the loss of up to 3, 300 jobs at the factory, plus many more with suppliers, while Fiat has said it will cut 1, 500 jobs at its plant in Tychy in Poland.
应用推荐