Answer:
Example sentences that use the words "travesty," "heinous," and "coalition":
1. The travesty of justice for the victims of the heinous crime was due to a lack of collaboration among the coalition of law enforcement agencies.
2. The coalition of activists publicly denounced the travesty of the government's policies, branding them as heinous examples of corruption.
3. Despite the efforts of the coalition to challenge the status quo, the resulting situation was a travesty and a heinous misuse of power.