authorities say pietila admired the gunman. >> you specifically have to have a threat. and also, ideally, even a discussion or a plan about how you're going to carry it out." >> reporter: the antidefamation league says antisemitic incidents spiked 36% between 2021 and 2022, the highest on record in close to 50 years. an attorney declined to comment, but investigators say he told them he did not intend on following through with the mass killings he spoke about. >> denying it is fine, but there may be a lot of countering information to say, well, that's just not true. >> reporter: his mom told me today her son was swept up in online hate during the pandemic. she claims those guns and tactical gear found by the fbi belonged to her and her husband, not her son. whit. >> thank you. >>> >>> next, the faa is investigating a close call at boston's logan international airport. a united airlines plane was traveling at a slow speed when it clipped the tail of a delta plane parked on the tarmac. a family recording the collision. this follows a series of potentially dangerous incide