Sorry 
will refrain from spamming with excessive messages.
Here’s one carefully chosen thread that ties together lots of info about cross check and voting suppression
This anti-voter-fraud program gets it wrong over 99 percent of the time. The GOP wants to take it nationwide.
www.washingtonpost.com/amphtml/news/wonk/wp/2017/07/20/this-anti-voter-fraud-program-gets-it-wrong-over-99-of-the-time-the-gop-wants-to-take-it-nationwide/
Renato Mariotti
@renato_mariotti
THREAD: Why Illinois should exit the flawed Interstate Crosscheck system that disenfranchises voters. #EndCrosscheck
2/ The @washingtonpost story above discusses how the head of Trump's anti-"voter fraud" commission, Kris Kobach, runs this program.
3/ The article cites a study by Stanford, Harvard, UPenn and Microsoft researchers found 200 people are disenfranchised per 1 double vote.
4/ Crosscheck has a 99 percent error rate. Its primary effect is to purge legitimate voters from the rolls. mobile.twitter.com/AriBerman/status/922471043373072385 [thread on Crosscheck’s inaccuracy]
5/ Illinois law (Public Act 98-1171) requires the state to participate in the ERIC system, a better national system.
www.ericstates.org/
6/ While Kobach's Interstate Crosscheck system has been shown to have massive security holes.
ProPublica
@ProPublica
New documents show the voter-fraud-checking program championed by Kris Kobach has gaping security holes: www.propublica.org/article/crosscheck-the-voter-fraud-commission-wants-your-data-keep-it-safe?utm_campaign=sprout&utm_medium=social&utm_source=twitter&utm_content=1508781774
7/Democratic lawmakers from around the state have called on the @illinoissbe to exit Crosscheck, but they refuse.
Rich Miller
@capitolfax
Dem House members want state to withdraw from flawed national voter registration crosscheck system:
dlvr.it/PvNRPJ
8/ In IL voter registration is managed locally and @IndivisibleChi has written all 109 election authorities.
Indivisible Chicago
@IndivisibleChi
If @illinoissbe won't listen we will go directly to the local election authorities. Time to
#EndCrosscheck^
[photos 1 and 2]
9/ If you're in Illinois, here is how you can get involved to #EndCrosscheck. /end
www.indivisiblechicago.com/end-interstate-crosscheck/