A gunman killed a woman and injured three other people in an shooting attack inside a lecture hall at Germany’s oldest university in Heidelberg on Monday, police said. The 23-year-old woman succumbed to her injuries a few hours after the crime and, according to police, the 18-year-old suspected perpetrator took his own life. Investigators did not initially give any information on a possible motive for the attack. It is still too early for that, said Andreas Herrgen, head of the public prosecutor’s office in Heidelberg. According to earlier information from security sources, the man had no poli…