almaty sister uzbek immigrant accuse kill eight people new york say brother might brainwash appeal u.s. president donald trump friday ensure get fair trial sayfullo saipov 29 charge federal court wednesday drive rent pickup truck riverside bike trail crush pedestrians cyclists support islamic state dozen people injure city bloody single attack since sept. 11 2001. trump call saipov receive death penalty speak tashkent capital uzbekistan saipov sister umida saipova say hop trump would help ensure brother give time fair trial tell reuters telephone family shock see saipov grow long beard get marry 2013. umida saipova tell radio free europe rfe family believe brother may brainwash know brainwash saipova say perhaps become part organize group know honestly long take head get rid poison sure come sense god will say speak brother day attack good mood usual good conversation tell rfe saipov mother mukaddas tell reuters last saw son august visit unite state attack total shock family say shock news hospital since afternoon say mukaddas say sayfullo tell august miss tashkent want bring home could young child 20 days old say sayfullo never complain life unite state able support family help parent time say kind friends mukaddas say religious never visit mosques always busy study work trump tweet saipov move fast death penalty umida saipova tell rfe family hop brother would sentence death rush show trial amid unconfirmed report uzbek authorities question family add know father uncle sister ny attack suspect say may brainwash appeal trump