Conversation so far:
What were the Palme assassination rumors about ?
Gardestad was wrongly mentioned in the Swedish media as "the 33-year-old", a suspect in the investigation of the assassination.
Who's assassination was he accused of ?
the Prime Minister of Sweden, Olof Palme, was murdered.
What was the consequence of this action ?
severely affected him although Gardestad was on vacation in Greece at the time of the murder.

Question: how did it affect him?
Self-contained rewrite: How did the assassination rumors affect Ted Gärdestad?