Court documents show a Texas man was arrested in the drowning of his estranged wife in a Fort Worth-area lake after police determined that a rope around her neck tied to concrete to weigh her down came from his home.

Jail records show Rodolfo Arellano is being held in Mansfield on $500,000 bond. Arellano was arrested this week on a capital murder charge in the death of his 28-year-old wife, Elizabeth.

Her body was pulled from Lake Worth after authorities were called April 16 about a possible suicide from a freeway bridge.

The arrest warrant shows cellphone records contradict his comments to police on his whereabouts before she disappeared.

Jail records don't list an attorney for Arellano.

Mansfield is about 18 miles southeast of Fort Worth.

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Information from: Fort Worth Star-Telegram, http://www.star-telegram.com