here's abc's marci gonzalez. >> reporter: tonight, family members say albert woodfox is overwhelmed, but feeling great. shown here celebrating with members of the black panther party, just after his release from prison, where he spent more than four decades in solitary confinement, in a nine by six-foot cell. >> how does it feel? >> uh, i really haven't decided yet. >> reporter: the last of the so-called "angola 3" prisoners freed yesterday, on his 69th birthday. adjust to being free. >> reporter: after taking a plea deal in the 1972 murder of louisiana state penitentiary guard, brent miller. his conviction overturned twice, woodfox was set to be tried a third time, when he pleaded no contest to lesser charges yesterday, while maintaining he is innocent. >> this plea agreement was a means to bring this case to an end. >> reporter: an end to a punishment woodfox claims was because of his ties to the black panthers. the group joining him here as he starts his life outside of prison. marci gonzalez, abc news, new york. >>> still ahead tonight on "world news tonight," the customer websit

albert woodfox, after more than 40 years in solitary already in prison for robbery, and then convicted for killing a prison guard. today, he pleaded no contest for that killing, and walked out of prison on his 69th birthday. >>> and a shake-up at sea world. three executives out today as the company, still roiled by negative press about its treatment of killer whales after the 2013 movie "blackfish," is planning hotels, roller coasters and aquariums in a bid to save its lagging tourist business. >>> to the world's busiest airport, atlanta's hartsfield-jackson. and the warning for the tsa tonight. the airport demanding, give us more tsa screeners, or we'll go private. 96 million passengers go through atlanta's airport every year. >>> and a harrowing piece of cell phone video, taken from the backseat of a houston school bus. the bus barely made it across railroad tracks. a freight train hurtling by just inches away. 42 children onboard this bus. none hurt. >>> when we come back, we remember a famous american author, and a classic you likely read in high school. when we come back. like nee