2 adverbs to describe how to blackmails

Crewe explained that Hill was afraid to take the letters and then boldly blackmail Sir Horace.

A very different assembly now occupied its greasy lengths vice the former habitués of the salon, now dispersed, dead, robbed, ruined, held to ransom, or cruelly blackmailed.

2 adverbs to describe how to  blackmails  - Adverbs for  blackmails