i heard about in that vs i hear about in that

Some examples from the web:

• I heard about that in bartending school, but I never seen it happen.
• You say, whoo! So I heard about that in '75 when I was at the Ed School at Harvard.
• Like I heard about that guy in Oregon who died gaming.
• I heard about what happened to Hanson.
• I heard about this great restaurant in Hollywood.
• I heard about what happened to Suzanne.
• Then after that, we're going to go to a dessert-only place I heard about in Newport.
• I heard about them in Afghanistan from a tribal leader.
• No, I heard about the sweat shorts.
• I heard about what went down yesterday.
• I heard about our friend, Stan Hoffman.
• I heard about what happened yesterday.
• I heard about the assault on Cath...
• I heard about your old partner, Will Gardner.
• I heard about you two and prepared this for you.
• I heard about it in a meeting.
• But then I heard about the bone.
• Listen, I heard about you.
• I heard about Davis' proposal.
• I'm - I heard about your mother.

Some examples from the web:

• What I feel when I hear about your baby is sadness.
• All these stories I hear about Amanda...
• Stories I hear about the raiders in these waters, their brutality...
• I hear about your plans to give him a different promotion.
• But the things I hear about this guy.
• I hear about your friend on beach.
• These disturbing things I hear about you in New York.
• Whenever I hear about some star kid.
• He does stuff I hear about.
• I hear about things, you know.
• That bazaar is all I hear about.
• What's this I hear about business in Mississippi?
• From what I hear about your kids, they're just like mine.
• What's this I hear about a leg?
• What I hear about her, I'm going to prison whether I did it or not.
• I hear about that, Todd.
• What's this I hear about a fight?
• It's just, I hear about 'em all day long... 'cause Steve, he's studying to get his degree.
• What's this I hear about creative differences?
• And then I hear about a traitor.