He attracted the attention of German investigative authorities over illegal arms sales earlier this year and was arrested on Monday.
On Wednesday, police discovered correspondence on Sascha’s phone where reference is made to the sale of four Kalashikov assault rifles to an "Arab in Paris," N-TV said.
On November 13, a series of terrorist attacks were staged across the French capital, leading to the death of at least 130 people and injuring over 350 others.
One of the attacks occurred at the Stade de France stadium, where French President Francois Hollande was watching a friendly match between France and Germany. Another attack was staged at the Bataclan concert hall.
The Islamic State jihadist group claimed responsibility for the attacks.
More about:
