Haruyuki Takahashi, a former Tokyo Olympic organizing committee executive arrested in a bribery case, may have been paid by an advertising company seeking favors for a client company during the sponsorship selection process, sources close to the matter said, with investigators searching the advertiser's offices on Monday.The latest revelation comes on the heels of suspicions that clothing retailer Aoki Holdings Inc. and publishing company Kadokawa Corp. made payments to Takahashi in exchange for preferential treatment in the process of selecting Olympic sponsors.A consulting firm run by an …READ FULL ARTICLE