The investigation into a deadly gun attack in Hanau is focusing on whether others knew about or helped organise it, Germany's federal prosecutor says.
The suspect shot dead nine people "of migrant background" at two shisha bars on Wednesday evening. He and his mother were later found dead in his flat.
Peter Frank said material the suspect Tobias R had posted online showed a "deeply racist mindset".
He had also been influenced by conspiracy theories, Mr Frank said.
Earlier Chancellor Angela Merkel said there were many signs Tobias R, 43, had acted out of racis
