SWITZERLAND-CRIME-SHOOTING(01 of09)
Open Image ModalA photo taken on May 10, 2015 shows barricade tape blocking off the site of a shooting in Wurenlingen, northern Switzerland. Several people have been killed on late May 9, 2015 in a shooting in the northern Swiss canton of Aargau, police said on May 10. Police, who did not give the precise number of victims, said all the victims were adults but that the cause of the incident on the evening of May 9 in Wurenlingen was unknown. AFP PHOTO / MICHAEL BUHOLZER (Photo credit should read MICHAEL BUHOLZER/AFP/Getty Images) (credit:MICHAEL BUHOLZER via Getty Images)
SWITZERLAND-CRIME-SHOOTING(02 of09)
Open Image ModalA photo taken on May 10, 2015 shows barricade tape blocking off the site of a shooting in Wurenlingen, northern Switzerland. Several people have been killed on late May 9, 2015 in a shooting in the northern Swiss canton of Aargau, police said on May 10. Police, who did not give the precise number of victims, said all the victims were adults but that the cause of the incident on the evening of May 9 in Wurenlingen was unknown. AFP PHOTO / MICHAEL BUHOLZER (Photo credit should read MICHAEL BUHOLZER/AFP/Getty Images) (credit:MICHAEL BUHOLZER via Getty Images)
SWITZERLAND-CRIME-SHOOTING(03 of09)
Open Image ModalA photo taken on May 10, 2015 shows barricade tape blocking off the site of a shooting in Wurenlingen, northern Switzerland. Several people have been killed on late May 9, 2015 in a shooting in the northern Swiss canton of Aargau, police said on May 10. Police, who did not give the precise number of victims, said all the victims were adults but that the cause of the incident on the evening of May 9 in Wurenlingen was unknown. AFP PHOTO / MICHAEL BUHOLZER (Photo credit should read MICHAEL BUHOLZER/AFP/Getty Images) (credit:MICHAEL BUHOLZER via Getty Images)
SWITZERLAND-CRIME-SHOOTING(04 of09)
Open Image ModalA photo taken on May 10, 2015 shows barricade tape blocking off the site of a shooting in Wurenlingen, northern Switzerland. Several people have been killed on late May 9, 2015 in a shooting in the northern Swiss canton of Aargau, police said on May 10. Police, who did not give the precise number of victims, said all the victims were adults but that the cause of the incident on the evening of May 9 in Wurenlingen was unknown. AFP PHOTO / MICHAEL BUHOLZER (Photo credit should read MICHAEL BUHOLZER/AFP/Getty Images) (credit:MICHAEL BUHOLZER via Getty Images)
SWITZERLAND-CRIME-SHOOTING(05 of09)
Open Image ModalA photo taken on May 10, 2015 shows barricade tape blocking off the site of a shooting in Wurenlingen, northern Switzerland. Several people have been killed on late May 9, 2015 in a shooting in the northern Swiss canton of Aargau, police said on May 10. Police, who did not give the precise number of victims, said all the victims were adults but that the cause of the incident on the evening of May 9 in Wurenlingen was unknown. AFP PHOTO / MICHAEL BUHOLZER (Photo credit should read MICHAEL BUHOLZER/AFP/Getty Images) (credit:MICHAEL BUHOLZER via Getty Images)
SWITZERLAND-CRIME-SHOOTING(06 of09)
Open Image ModalA photo taken on May 10, 2015 shows barricade tape blocking off the site of a shooting in Wurenlingen, northern Switzerland. Several people have been killed on late May 9, 2015 in a shooting in the northern Swiss canton of Aargau, police said on May 10. Police, who did not give the precise number of victims, said all the victims were adults but that the cause of the incident on the evening of May 9 in Wurenlingen was unknown. AFP PHOTO / MICHAEL BUHOLZER (Photo credit should read MICHAEL BUHOLZER/AFP/Getty Images) (credit:MICHAEL BUHOLZER via Getty Images)
SWITZERLAND-CRIME-SHOOTING(07 of09)
Open Image ModalA photo taken on May 10, 2015 shows barricade tape blocking off the site of a shooting in Wurenlingen, northern Switzerland. Several people have been killed on late May 9, 2015 in a shooting in the northern Swiss canton of Aargau, police said on May 10. Police, who did not give the precise number of victims, said all the victims were adults but that the cause of the incident on the evening of May 9 in Wurenlingen was unknown. AFP PHOTO / MICHAEL BUHOLZER (Photo credit should read MICHAEL BUHOLZER/AFP/Getty Images) (credit:MICHAEL BUHOLZER via Getty Images)
SWITZERLAND-CRIME-SHOOTING(08 of09)
Open Image ModalA photo taken on May 10, 2015 shows barricade tape blocking off the site of a shooting in Wurenlingen, northern Switzerland. Several people have been killed on late May 9, 2015 in a shooting in the northern Swiss canton of Aargau, police said on May 10. Police, who did not give the precise number of victims, said all the victims were adults but that the cause of the incident on the evening of May 9 in Wurenlingen was unknown. AFP PHOTO / MICHAEL BUHOLZER (Photo credit should read MICHAEL BUHOLZER/AFP/Getty Images) (credit:MICHAEL BUHOLZER via Getty Images)
SWITZERLAND-CRIME-SHOOTING(09 of09)
Open Image ModalA photo taken on May 10, 2015 shows barricade tape blocking off the site of a shooting in Wurenlingen, northern Switzerland. Several people have been killed on late May 9, 2015 in a shooting in the northern Swiss canton of Aargau, police said on May 10. Police, who did not give the precise number of victims, said all the victims were adults but that the cause of the incident on the evening of May 9 in Wurenlingen was unknown. AFP PHOTO / MICHAEL BUHOLZER (Photo credit should read MICHAEL BUHOLZER/AFP/Getty Images) (credit:MICHAEL BUHOLZER via Getty Images)