Joslyn, 33, and her 28-year-old brother, Derrick, were killed after a car driven by Derrick’s wife was reportedly sideswiped on I-95 near the city of Pawtucket. The initial collision caused the Joslyns’ car to lose control, strike the center median and roll onto its roof. It was then struck by a van, reported TV station WPRI.
Tiffany is being remembered as a strong advocate for progressive and LGBT causes. She was on the board of local LGBT group AGLA, was a past president of the LGBT Democrats of Virginia PAC, and was active in the Arlington Young Democrats and the Arlington County Democratic Committee.