jessica , who denies involvement in mirna ’s death , was the one who ordered the vietnamese iced coffee that allegedly killed mirna , according to police .
investigators will present evidence and required documents .
following weeks of investigations , jakarta police arrested jessica on saturday morning and named her as a suspect .
jessica reportedly arrived at the cafe almost an hour earlier and ordered drinks for both mirna and another friend , hani , with police having confirmed that traces of highly toxic cyanide had been found in mirna 's stomach and in the drink she consumed -- but not in other drinks served at the cafe .
we can ignore the suspect 's testimony in this case according to the criminal code , " he told journalists at the jakarta police headquarters , merely saying : " it was still the same as the previous ones .
newlywed wayan mirna salihin , 27 , died in jakarta , indonesia earlier this month after having an iced coffee with her friends , known as jessica kumala and hani .
mirna , 27 , collapsed into convulsions after taking only one sip of her vietnamese iced coffee drink on dec. 6 at the olivier cafe in grand indonesia mall .
on the day mirna died , jessica reportedly arrived early and ordered a sazerac cocktail and a cold vietnamese coffee .
jessica said after wednesday 's statements came amid mounting suspicions about her possible involvement .