Conversation so far:
When did he start peace talks?
On the night of 3 April 1995 at 8:55 pm.
Why did he start peace talks?
The letter expressed the Secretary of Interior's commitment to find a political path to resolve the conflict.
Was the peace talks a success?
After several days of unfruitful negotiations, without reaching any specific agreements, Maldonado proposed an indefinite suspension of hostilities.

Question: Did they try anything else after the peace talks failed?
Self-contained rewrite: Did Subcomandante Marcos try anything else in addition to the peace talks?