Rubuta ci gaba ga wannan sakin layi - A cikin saƙonnin rubutu na rukuni, Thomasberg ya yi magana game da harbi mai launin fata da ya aikata kuma ya tattauna a kan amfani da LSD. Ya kuma nuna "sanin yadda ake kera bindiga" kuma ya samu kayan aiki don wannan manufar. Ya ce harbin da aka yi a majami'ar Poway
"Coulda kasance haka mai kyau" da kuma kira Robert Gregory Bowers da Brenton Tarrant tsarkaka. Ya kuma gaya wa abokinsa <unk> wanda yanzu ya zama mai ba da shaida <unk> cewa yana "ɗauke da isassun kayan aiki da kayayyaki don saita sabon babban ci kuma ba zai so ya bayyana hakan ga ɗan sanda ba"; Matthews ya ba da shaida cewa "sabon babban ci" yana nufin yawan mutanen da aka kashe a cikin harbi. An kuma bayyana cewa Thomasberg ya horar da dabarun kare kai ga mutumin da ya harbe kuma ya kashe Bao Hung Van a Fairfax County, Virginia a 2018. Alkali Theresa Buchanan ya kira shaidar "mai matukar damuwa" kuma ya ki amincewa da belin.