Help Wrongly Sentenced for Jacob Lee Hall

Please help my son was wrongly sentenced to 8 years in prison for a pushing argument with his wife by the Montgomery county Texas District Attorneys office by assistant Da Rob Fyre that started threatening  and bluffing him with sentencing that was so out rages and intimidating him to sign a plea for 8 yrs while already being in jail 9 months waiting to go to court and Jacob being on bipolar medicine the entire time we need Justice for Jacob this is Prosecutorial Misconduct if there's ever been a case in history this should be at the top of the list Also not the first time this Da has done this hopefully others will come forward that's why he was fired by Harris County Texas Da Kim Ogg let's stop this please help Jacob