"i'd like to formally apologise for murdering your husband" is such a sentence
he could have grabbed armand and ran! he chose to stay and fight and cause a largely preventable death!
sam will readily admit he's a murderer but he's one who's had to actively work on bringing his conscience back to life after a severe depressive period of several decades
Armand's response will depend a bit on Amadeo's impression
Hakkai: thank you, also I'm sorry for the trouble
honestly these two are both really not normal about Necessary Murder