london british man detain unite state allegedly try wrestle gun police officer donald trump rally suffer severe mental illness risk die prison mother say tuesday michael sandford 20 due face trial nevada aug. 22. plead guilty two felony count illegal alien possession firearm one felony count impede disrupt orderly conduct government business mother lynne sandford tell news conference london son diagnose past autism depression mental health condition suicide watch nevada prison past three weeks portray son compassionate child-like man enjoy watch peppa pig british children television program bewilder frighten incarceration say son attempt take life 14 years old suffer anorexia michael sandford arrest incident trump rally treasure island hotel las vegas june 18 late tell investigator want kill republican presidential candidate accord u.s. court paper charge attempt murder accept michael try bad thing mentally ill bad dangerous person say mother add last speak phone sunday keep break sob phone say please please want come home remorseful ... really bad way say sandford launch campaign son repatriate britain could treat secure medical facility raise 25,950 crowd-funding website crowd justice pay legal expense say british consular official visit son prison report shackle handcuff clear michael actually understand do say saimo chahal family british lawyer speak alongside lynne sandford asperger ocd obsessive compulsive disorder psychological condition question mark whether fit plead undergo trial process state say chahal say work provide public defenders office nevada independent evidence michael sandford mental illness expect trial postpone least 56 days initially allow time hop trial would happen sandford would repatriate britain part plea bargain agreement briton trump gun incident could die u.s. prison mother say