How does speaking to the grocer affect the detectives view of Mary in the story man to slaughter

this story is hella good. but it effects the detectives because they don't know its her right? and once she killed her husband she went to the grocer correct? she made the grocer her alibi because the grocer doesn't know what she did. so basically they have no evidence, witnesses, or anything that can prove who did it (aka mary)

Explanation:

hoped that helped.

the answer is $600    

plz mark brainliest

every person should make it a priority to serve at least two hours per week.

it's an extremely important civic responsibility that is invaluable to citizens most in need is the correct one