https://phys.org/news/2018-07-tesla-musk-tweet-controversy.html

Musk attacked British diver Vern Unsworth, who had dismissed the Tesla chief's efforts to help the rescue mission for the 12 boys as a "PR stunt" in a widely seen interview on CNN.

Musk, without providing any justification or explanation, referred to Unsworth as "pedo guy" in a since-deleted tweet on Sunday. "Pedo" is short for pedophile.