Electoral fraud.

Whoever is commissioned to undertake an analysis of electoral ballot slips would do a paper and ink analysis with a micro photo spectrometer. This would analyze the ink on the ballot papers to discover if they were mass produced.

More here:

https://centipedenation.com/first-column/pa-election-hearing-witness-they-have-the-ability-to-use-a-spectrometer-to-see-if-the-ballots-were-mass-produced-by-checking-the-ink/?cf_chl_jschl_tk=1f45b2a7386dbbb2a32503cd5850d72c0fa2182e-1606431291-0-AfkmKCvxk33NMj0UAq8QGCf-h_jDwYiyxnWa4cANSDifi-5inM2Wi7Gp0LE5E3TMDIfApUeZZYzxMUONHRXgAq_G8mroAOstiAg0dcxx8h7OsYY4cx7Bdvb9DdwQiLtcCFEWGdsnOhfHyH-2f8nJMD4JfrDlyKrfch8yNIfgRITrQgyu14XgYdMTgYtQD6uqHK8vJZngpwF9MlZ1Tr3wv6oo60AgcN6XiOMBc8_FJ4TCCXqvci61TXfUbNBeegPwqrQ1J9HQIsyff4HJz6u20G58q79GIzkgaev1nsJboAcr4x0gZK-eNtArBSthMHumc4GprIdYuhT60lgA2IfQ-8EZPszahONUJDJ53ec9SXlQWtBjISc04VGgsiqTnecIcOEqSNND7llE0TXgDexHgKtmrVsfwg2BzeEx_U8_3zH8J11XjR0yfbhYmpLtrmiZwRG4Z1V_FNyLsy564or6UdSTNlFZV7uO5dDVCPvVNP4eH8dYK63QUOepJpP7YHg4zg