“Al Omari, a Saudi who went by a variety of noms-de-guerre, including Muslim al Azdi, Abu Omar al Kholani, and Abu Muslim al Kholani, is especially remembered for his role in running well-known Twitter accounts that are are critical of the US drone program in Yemen. The Twitter accounts known in Arabic as ‘American Crimes in Yemen’ and in English as ‘American_Crimes,’ reportedly run by al Omari, had a follower base of over 34,000 Twitter users. The Arabic and English accounts are used to document US drone strikes in the country as well as to disseminate news reports released by AQAP. “

Source: AQAP Twitter-warrior killed in latest US drone strike in Yemen – Threat Matrix