Riddles brain teasers for adults with answers, can you solve it?

3 riddles popular on crime | murder mystery riddles | who did it?
(Part#4)
Total: 3 riddles

Riddle#1 (Loyal wife?)
Riddle#2 (Mysterious beggar)
Riddle#3 (Serial Killer)

Music:
Gagool by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Source: http://incompetech.com/music/royalty...
Artist: http://incompetech.com/

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