Moar McCaskill….
Went to the FEC site to look at McCaskill's contributors based on a previous notable.
ACTBLUE has been quite active for Claire! I used ACTBLUE as the primary search and then filtered by her name.
https://www.fec.gov/data/disbursements/?two_year_transaction_period=2018&data_type=processed&committee_id=C00401224&recipient_name=mccaskill&min_date=01%2F01%2F2017&max_date=10%2F17%2F2018
https://www.fec.gov/data/committee/C00401224/