A former Takefuji Corp. employee arrested last week on suspicion of tapping the phone of a freelance journalist had earlier admitted to bugging the phones of others.

Kazuhiro Nakagawa, 42, has testified that he bugged the phones of five other people, including former workers of the consumer loan firm, it was learned Monday. Nakagawa was fired by Takefuji in September 2002.

On Friday, the Metropolitan Police Department served arrest warrants on Nakagawa and four others on suspicion that they conspired in tapping the home telephone of the journalist, who lives in Tokyo's Setagaya Ward, between December 2000 and February 2001.