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The Federal Bureau of Investigation has arrested a Maryland man for allegedly sending a seizure-inducing tweet to Newsweek writer Kurt Eichenwald, who has written about his battle with epilepsy.

The Friday arrest, which comes three months after Eichenwald announced his seizure, is believed to be the first in connection to somebody attacking someone with an epileptogenic image online. At the time, Eichenwald said he was determined to bring to justice the attacker who used the handle @jew_goldstein and the pseudonym (((Ari Goldstein))).

With some forms of epilepsy, strobing lights can spark seizures. In 1997, for example, a Pokémon episode was said to have sent nearly 700 Japanese children to the hospital. Epileptogenesis was believed to be a problem for WipEout HD in 2008. And about a decade ago, hackers descended on an epilepsy-support message board with flashing animations and triggered headaches and seizures in some users.