Timur Ahmedov was Kasim Tariq's money launderer.
In "One Way" Percy found out that he Timur will meet with Kasim in Tashkent, Uzbekistan. Nikita wanted to help Michael so they teamed up. They located where Timur is. Nikita's role in the plan was to distract Timur while Michael breaks into his office. After Nikita and Michael found out where Kasim lives they went to see him. Kasim thought that Timur set him up, so he shot him.