Olantunbosun Ugbogu was a Seaman

Seaman

Seaman is one of the lowest ranks in a Navy. In the Commonwealth it is the lowest rank in the Navy, followed by Able Seaman and Leading Seaman, and followed by the Petty Officer ranks....

 assigned to the USS Cowpens

USS Cowpens (CG-63)

USS Cowpens is a Ticonderoga-class guided missile cruiser currently in service with the United States Navy.-Overview:The USS Cowpens is currently forward-deployed and is homeported at United States Fleet Activities Yokosuka in Yokosuka, Japan...

, a ship of the United States Navy

United States Navy

The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 forward-deployed to United States Fleet Activities Yokosuka

United States Fleet Activities Yokosuka

U.S. Fleet Activities Yokosuka, or Commander, Fleet Activities Yokosuka is a United States Navy base, in Yokosuka, Japan. Its mission is to maintain and operate base facilities for the logistic, recreational, administrative support and service of the U.S. Naval Forces Japan, U.S. 7th Fleet and...

 in Yokosuka

Yokosuka, Kanagawa

is a city located in Kanagawa, Japan. As of 2010, the city had an estimated population of 419,067 and a population density of 4,160 people per km². It covered an area of 100.62 km²...

, Kanagawa Prefecture

Kanagawa Prefecture

is a prefecture located in the southern Kantō region of Japan. The capital is Yokohama. Kanagawa is part of the Greater Tokyo Area.-History:The prefecture has some archaeological sites going back to the Jōmon period...

, Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

.

On April 3, 2008, he was arrested and charged with stabbing and killing 61 year-old Japanese

Japanese people

The are an ethnic group originating in the Japanese archipelago and are the predominant ethnic group of Japan. Worldwide, approximately 130 million people are of Japanese descent; of these, approximately 127 million are residents of Japan. People of Japanese ancestry who live in other countries...

taxi driver Masaaki Takahashi on March 19. He admitted killing the driver. He has also been accused of failing to pay the $190 taxi fare.

The U.S. ambassador to Japan, the commander of the U.S. Navy in Japan and others visited the mayor of Yokosuka to apologize for this international incident.