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WASHINGTON (WUSA9) -- Here are five things you need to know on Tuesday, April 1:

5. Metropolitan Police Department Police Chief Cathy Lanier has tentatively identified the body of an adult male found at the search area at Kenilworth Park in Northeast Washington as Kahlil Tatum, the alleged abductor of missing 8-year-old Relisha Rudd.

AMBER ALERT: Tatum's body found at DC park; suspected suicide

4. We're in for an another nice day as the month of April begins. The kids still need a jacket or coat at the bus stop with some lows dipping into the 30s. April will come in on a warm and pleasant note. We'll be much less windy today with a mix of sun & clouds.

FORECAST: Nice start to April; shower possible by Wednesday

3. D.C. voters head to the polls to choose the winner of the Democratic primary in the city's mayoral race. The winner of the democratic primary has historically gone on to become D.C.'s next mayor, but independent candidate councilman David Catania could change that.

MORE: DC Voter Guide 2014

2. We should find out in just a few hours if the National Zoo's baby panda will venture outside Tuesday. Bao Bao will have the option of venturing outside in her mother's yard this week. Zoo keepers say they've cub proofed the area by trimming back some trees and putting collars on others so the cub can't climb too high.

PHOTOS: National Zoo panda cub Bao Bao

1. Happy April Fools' Day! It's a day to be mischievous — or to be careful. The origins of April Fools' Day, known for its tricks and pranks, are murky. One likely explanation is April Fools was "a hazing ritual" to welcome spring, said Alex Boese, curator of the website Museum of Hoaxes.

MORE: The origins of April Fools' Day

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