Daniela Ruah, Renée Felice Smith, Barrett Foa & Eric Christian Olsen will be tweeting LIVE during the airing of the upcoming NCIS Los Angeles episode “Purity” on April 9th at 9pm EST.
Make sure to follow their twitter accounts (@danielaruah, @reneefsmith, @barrettfoa, @ericcolsen) and join the convo…

source: spoilertv.com