What are the connotations of the phrase "Vehisvadu Es Chatosam"?
Sefer ha'Chinuch: It is a Mitzvas Asei to confess one's sins and to do Teshuvah on them, at any time, but specifically on Yom Kipur. 1
Sifri: This teaches that one who brings an Asham must confess, just like one who brings a Chatas.
R. Nasan (in Bamidbar Rabah, Sifri, Yalkut Shimoni): This is a precedent, that all who die must confess. 2
Shavu'os, 13a: This teaches us that Chata'os and Ashamos only atone if the sinner did Teshuvah.
See Sefer ha'Chinuch, Mitzvah 364.
Etz Yosef - even at the time of death, one must confess. Vilna Gaon (on Sifri): The text says 'all who are executed'; for we expounded "v'Ashmah ha'Nefesh" to include all Chayavei Misah. Zayis Rana'an - one must confess for every sin, therefore all who are executed confess, just others need not confess in front of others.. See also Ba'al ha'Turim.
What is the meaning of "Ashamo b'Rosho"?
Rashi and Rashbam: It means 'the principal'.
What are the implications of "la'asher Asham lo"?