Question: What activity, restricted or banned in many countries, was the business of the murder victim of the "Pink Skirt Murder"?

Related documents: [0]  [DOC] Online gambling (or Internet gambling) includes poker, casinos and sports betting. The first online casino was in 1994. Many countries restrict or ban online gambling, but it is legal in some provinces in Canada, most countries of the European Union and several nations in the Caribbean. [END] 
[1]  [DOC] Adam Anhang Uster (March 8, 1973 – September 23, 2005) was a businessman and founder of an Online gambling enterprise; he was murdered at the intersection of Calle San Justo and Calle Luna in Old San Juan, Puerto Rico on September 2005. He was leaving the Pink Skirt Nightclub/Dragonfly Club with his estranged wife, Áurea Vázquez-Rijos, from whom he was finalizing a divorce, and was knifed and beaten to death on the street. The event was highlighted as the "Pink Skirt Murder" in a television expose on Dateline NBC. Ms Vázquez-Rijos who had only been married to Mr Anhang for six months suffered minor injuries during the attack. [END]  
Answer: Online gambling
Online gambling