[s2e17] The Longevity Initiative -
Red eventually tracks down Powell, hoping the doctor can help recover Liz's lost memories of the fire. However, Powell admits his research failed, and he commits suicide in front of Red. Personal Storylines
It is Liz's 31st birthday (though some sources note a discrepancy where she might be turning 30). Red gives her a bottle of wine made from grapes she once harvested with her adoptive father, Sam, highlighting his long-standing presence in her life. [S2E17] The Longevity Initiative
The FBI Task Force is sent to investigate a series of gruesome murders involving victims with portions of their brains removed. Red eventually tracks down Powell, hoping the doctor
