Liberia, June 23 -- A man accused of overseeing the beating, torture and other degrading treatment of 57 victims at a compound at the center of Liberia's largest human trafficking trial testified Monday that four security officers assigned to Vice President Jeremiah Koung visited the property and did not report any of the alleged crimes.

In his testimony to Criminal Court A, Rudolph Flomo said four members of Koung's security detail, whom he did not identify, were introduced to him and other staff members by Daniel Davis, whom prosecutors and victims identified as Wuo Zekarso Garteh, and by co-defendant Bill Plato. Davis and Plato have acknowledged serving as leaders of Infinity Millennium Platinum Star Limitless Institution, an organiz...