[caveat emptor]

Also shouldn't any journalist worth their salt know that it should be "AN homicide bombing"?

The use of "an" needs a silent "h". Sounds a bit too henglish to me.

Also shouldn't any journalist worth their salt know that it should be "AN 'omicide bombing"?

[Dave Elias]

"The use of "an" needs a silent "h". Sounds a bit too henglish to me."

Maybe it sounds to "henglish" to you. Nevertheless it is correct.