An appeal of a lawsuit in Western New York, alleging social media companies “fueled” an 18-year-old’s deadly, racist shooting massacre in Buffalo, continues to draw an expanded lineup of high-profile national litigators.

The Appellate Division, Fourth Department, recently granted a request by Amazon.com to admit pro hac vice Allison L. Libeu, a partner in Hueston Hennigan of Newport Beach, California. The boutique firm has taken on high-profile business litigation.