As of 2011, he is leading Operation Withern, the investigation into the 2011 London riots.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: As of 2011, he is leading Operation Withern, the investigation into the 2011 London riots. ### Response: .