Prosecutor: Tunisian allegedly made ricin for German attack

In this Tuesday June 12, 2018 photo, German police officers in protective gear leave an apartment building during an operation in Cologne, Germany. German police are searching the apartment of a 29-year-old Tunisian man who is accused of keeping toxic substances in his home. (David Young/dpa via AP)
German police officers in protective gear enters a rescue car during an operation in Cologne, Germany, late Tuesday June 12, 2018. German police are searching the apartment of a 29-year-old Tunisian man who is accused of keeping toxic substances in his home. (David Young/dpa via AP)
In this Tuesday June 12, 2018 photo, German police officers in protective gear leave an apartment building during an operation in Cologne, Germany. German police are searching the apartment of a 29-year-old Tunisian man who is accused of keeping toxic substances in his home. (David Young/dpa via AP)

Prosecutor: Tunisian allegedly made ricin for German attack

In this Tuesday June 12, 2018 photo, German police officers in protective gear leave an apartment building during an operation in Cologne, Germany. German police are searching the apartment of a 29-year-old Tunisian man who is accused of keeping toxic substances in his home. (David Young/dpa via AP)
German police officers in protective gear enters a rescue car during an operation in Cologne, Germany, late Tuesday June 12, 2018. German police are searching the apartment of a 29-year-old Tunisian man who is accused of keeping toxic substances in his home. (David Young/dpa via AP)
In this Tuesday June 12, 2018 photo, German police officers in protective gear leave an apartment building during an operation in Cologne, Germany. German police are searching the apartment of a 29-year-old Tunisian man who is accused of keeping toxic substances in his home. (David Young/dpa via AP)