Couldn't find the entire clip but Joe DiGenova appeared on The Hill's Rising show on April 20, 2019-

https://www.youtube.com/watch?v=7HM_0y8yzxE

Edit: Further searching turned up this article that links to the same YouTube video (since removed) referenced in Drop 3319-

https://100percentfedup.com/just-in-joe-digenova-blows-the-lid-off-of-upcoming-criminal-referrals-for-fisa-court-abuse/

Here's also an article DiGenova wrote on April 22, 2019 that likely sums up what he said on the interview 2 days later-

https://www.foxnews.com/opinion/joseph-digenova-victoria-toensing-trump-mueller-report-heres-what-needs-to-happen-next

Couldn't find the entire clip but Joe DiGenova appeared on The Hill's Rising show on April 20, 2019-

https://www.youtube.com/watch?v=7HM_0y8yzxE

Edit: Further searching turned up this article that links to the same YouTube video (since removed) referenced in Drop 3319-

https://100percentfedup.com/just-in-joe-digenova-blows-the-lid-off-of-upcoming-criminal-referrals-for-fisa-court-abuse/

Couldn't find the entire clip but Joe DiGenova appeared on The Hill's Rising show on April 20, 2019-

https://www.youtube.com/watch?v=7HM_0y8yzxE