Manning did not immediately respond to the election campaign, but has decided to run again to veteran Maryland Senator Ben Cardin will be Manning's main competitors. In addition, Jerry Segal, Richard Vaughn, Debbie Wilson have also announced the news of the election. Maryland will hold primaries on June 26 this year.

It has been learned that Manning, who had been sentenced to 35 years in prison, was granted an amnesty before the outgoing president Barack Obama was about to leave his post. The sentence was reduced to seven years and his liberty was regained in May this year.