CLEAN : Rights groups say planned Singapore drug execution a 'grave crime'

The transcript discusses the unfairness of an impending execution, highlighting the emotional impact on the family who hasn't seen their loved one for over two years. It criticizes Singapore for violating international law and committing a crime against humanity. The speaker urges the Malaysian Government to intervene diplomatically to halt the execution and suggests commuting the sentence to life imprisonment.

What is the significance of the statement regarding international law in the context of the execution?

What alternative to execution is suggested in the text?