Titus Frost and Carolyn Lamako (unsure of spelling) take a hard look at images and messages sent by pizzagate suspects during important (to them) dates.

WARNING: X-Rated art images, and disturbing interview describing crimes against children

https://www.youtube.com/watch?v=vdmcmd7ryJc

It seems looking at Hollywood gossip photos from the time of the summer solstice could be a new lead. Halloween and other dates mentioned in the video. My take from the video is these people all brag about rituals they participate in. They send coded messages using pedo symbols in photos posted on social media.