Conversation so far:
Has Gulbuddin Hekmatyar gotten into trouble since 9-11?
After the 9/11 attacks Gulbuddin Hekmatyar, declared his opposition to the US campaign in Afghanistan and criticized Pakistan for assisting the United States.
What has Gulbuddin Hekmatyar done to show his discontent?
After the U.S. entry into the anti-Taliban alliance and the fall of the Taliban, Gulbuddin Hekmatyar rejected the U.N.-brokered accord of 5 December 2001 negotiated in Germany.
Has Gulbuddin Hekmatyar taken other actions?
The U.S. accused Gulbuddin Hekmatyar of urging Taliban fighters to re-form and fight against Coalition troops in Afghanistan and also offering bounties for those who kill U.S. troops.
Have there been any assasination attempts by Gulbuddin Hekmatyar?
Gulbuddin Hekmatyar was a suspect behind the 5 September 2002 assassination attempt on Karzai in Kandahar and a bomb in Kabul that killed more than a dozen people.

Question: Has he been arrested for any of these accusations?
Self-contained rewrite: Has Gulbuddin Hekmatyar been arrested for the September 2002 Karzai assasination attempt and the bomb in Kabul?