Downfall of Kanagawa assemblyman hooked on ‘dappo’ drugs for sex

Shukan Jitsuwa Aug. 7
Shukan Jitsuwa Aug. 7

On July 16, Kanagawa Prefectural Police arrested Koichi Yokoyama, a former Liberal Democratic Party member of the Kanagawa Prefectural Assembly, for allegedly possessing stimulant drugs at his apartment in Yokohama last month.

Officers charged Yokoyama, 41, with violating the Pharmaceutical Affairs Act — the end of the line for a member of a distinguished family hooked on drugs he used during sex, says Shukan Jitsuwa (Aug. 7).

“On June 26, he was with a mistress, a hostess, at a love hotel in Yokohama,” an investigator tells the magazine.

The ex-assemblyman became agitated after using a dappo (loophole) drug, which typically contain organic herbs mixed with a quasi-legal substance whose chemical structure is similar to a drug that has been deemed in violation of the law. The drugs provide a hallucinatory and euphoric effect.

Sensing trouble, the hostess then phoned the police. Yokoyama told the officers arriving at the hotel that he had used a loophole drug and that he had others at his residence.

Police subsequently searched his apartment and found illegal substances contained inside more than 10 kinds of drugs. He was charged with possessing about 0.3 grams of Alpha PHPP, a substance regulated under the pharmaceutical act.

“During the investigation, three or four other mistresses surfaced,” says the investigator. “He had a habit of mixing drugs and sex.”

According to Shukan Jitsuwa, Yokoyama is married, but due to problems with his wife he has been engaging in extra-marital sex. He told police he started using loophole drugs in earnest this past spring.

On June 30, Yokoyama submitted a resignation letter to the Kanagawa Prefectural Assembly. It was accepted on July 8.

Koichi Yokoyama
Koichi Yokoyama

After graduating from Keio University, Yokoyama inherited a support base in Kanagawa established by his grandfather, who was an assembly speaker. In 2007, Yokoyama won seat on the Kanagawa assembly. He was in his second term prior to his resignation.

Very ironically, Yokoyama had backed a petition that sought stricter regulations against loophole drugs in July of 2012.

“He told police he got his drugs from a trader,” a prefectural assemblyman tells the magazine. “Beginning two years ago, there were whispers among assemblymen about him using stimulants. As well, rumors about him buying through connections between organized crime and grandfather never died out.”

Source: “Kanagawa obochama kengi ga hamatta dappo doragu sex ichibushiju,” Shukan Jitsuwa (Aug. 7, page 44)

Note: Brief extracts from Japanese vernacular media in the public domain that appear here were translated and summarized under the principle of “fair use.” Every effort has been made to ensure accuracy of the translations. However, we are not responsible for the veracity of their contents. The activities of individuals described herein should not be construed as “typical” behavior of Japanese people nor reflect the intention to portray the country in a negative manner. Our sole aim is to provide examples of various types of reading matter enjoyed by Japanese.

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