SaysSaint-Mars，“SincereceivingyourletterIhavewardedthepairasstrictlyandexactlyasIdidM。FouquetandM。Lauzun，whocannotbragthathesentorreceivedanyintelligence。Nightanddaytwosentinelswatchtheirtower；andmyownwindowscommandaviewofthesentinels。Nobodyspeakstomycaptivesbutmyself，mylieutenant，theirconfessor，andthedoctor，wholiveseighteenmilesaway，andonlyseesthemwhenIampresent。“Yearswentby；
inJanuary，1687，oneofthetwocaptivesdied；wereallydonotknowwhichwithabsolutecertainty。However，theintensifiedsecrecywithwhichthesurvivorwasnowguardedseemsmoreappropriatetoDaugerandM。Funck-BrentanoandM。LairhavenodoubtthatitwasLaRivierewhoexpired。Hewasdropsical，thatappearsintheofficialcorrespondence，andthedeadprisonerdiedofdropsy。
AsforthestrangesecrecyaboutDauger，hereisanexample。
Saint-Mars，inJanuary，1687，wasappointedtothefortressoftheIslesSainte-Marguerite，thatsunthemselvesinthebayofCannes。
OnJanuary20heasksleavetogotoseehislittlekingdom。HemustleaveDauger，buthasforbiddenevenhislieutenanttospeaktothatprisoner。Thiswasanincreaseofprecautionsince1682。