
The whales involved are:
1.Tilikum (Orlando, FL)Katina (Orlando, FL)
2.Corky (San Diego, CA)
3.Ulises (San Diego, CA)
Tilikum, a six ton orca, who drowned a trainer in the middle of a performance and drowned her on February 2010.
The lawsuits ask that the orcas are released to a legal guardian who could find an ideal habitat.
(Source)