Although the group urged him, Oppenheim refused to approach Shyamji Krishnavarma, then in Geneva, nor did he try to reach Lala Lajpat Rai, then in the United States. The latter was suspected by British intelligence in the United States to be deeply involved in the seditionist movement[5] although he personally refused to enter an alliance with another Imperialist Power.[2] In 1915, Har Dayal and Barkatullah became actively involved in the Berlin Committee and its goals. The committee is known to have sent missions to the Middle Eastern cities of Istanbul and Baghdad, and Kabul, Afghanistan.[6]