A little over a year after Brent Sikkema was discovered dead in Brazil, the late New York gallerist’s husband has been charged with hiring someone to kill him. Sikkema was the founder of the gallery formerly known as Sikkema Jenkins & Co., whose roster includes Kara Walker, Jeffrey Gibson, and Louis Fratino. The gallery recently renamed itself Sikkema Malloy Jenkins in recognition of Meg Malloy, a partner since 2005. He was found stabbed to death in his Rio de Janeiro apartment in January 2024, setting off an investigation that captured the attention of the media, both in Brazil and in...