Abraham Lincoln and treason in the Civil War: the trials of John Merryman

"Baltimore is to be the battlefield of the southern revolution": the Baltimore riot and the formation of Lincoln's habeas corpus policy

"A collision of civil and military authority": the arrest and incarceration of John Merryman

"Prosecute your best cases not the weak and doubtful": the difficulty of punishing disloyalty in the loyal states

"Necessity is the tyrant's plea": the Habeas Corpus Act, part I: congressional reaction to military arrests and tribunals

"The government must in some way sustain you in your official acts": the Habeas Corpus Act, part II: the failure of congress to protect those waging war

Epilogue: "Habeas Corpus John".