morgan geyser , 12 , is remanded on $ 500,000 bail for the first-degree attempted murder of payton leutner in waukesha may 2014 .
her and anissa weier , 13 , ` stabbed leutner 19 times to appease slender man ' , a fictional modern-day version of the boogeyman .
attorney 's tried to have geyser 's bail reduced and move her to a hospital .
they said she needs treatment for numerous mentall illnesses .
judge ruled friday she was a flight risk and denied the motion .