Accused of + no articles

[sumon.]

Hi
He is accused of murder. Why not a murder or the murder? Is it for the word murder can be used both as a countable and an uncountable noun and here has been used as a uncountable noun without being definite ?

Is my idea correct? (I have got another question. Would it be, 'is my idea correct?' or 'are my ideas correct?' or both are possible?

Thank you so much.

[Barb_D]

Hi
He is accused of murder. Why not a murder or the murder? Is it for the word murder can be used both as a countable and an uncountable noun and here has been used as a uncountable noun without being definite ?

Is my idea correct? (I have got another question. Would it be, 'is my idea correct?' or 'are my ideas correct?' or both are possible?

Thank you so much.

The general crime of murder, in the uncountalbe, indefinite sense, yes.

Both are possible. Do you consider it one idea or more than one idea.

[sumon.]

Probably, one idea. As my question required one answer first.