Possible Clues:

• Attached to a military unit, as a journalist
• Like some war correspondents
• Deeply implanted
• English doctor hides plot from journalist and some writers in army
• Firmly included English physician's daughter in rewritten deed
• Sounds like one is part of the plot covered by writer on the campaign trail
• Back me to plot against the German director with journalist in army
• Inserted as an integral part, journalist with a military unit during a conflict, say
• Traveling with soldiers, as journalists
• Became fixed in the rose garden perhaps