Exhibit 12.1

Monitronics International Inc.

Computation of Ratio of Earnings to Fixed Charges

			Dec 17 - Dec 31,		Jul 1 - Dec 16,	Fiscal Year Ended June 30,
	12/31/2011		2010		2010	6/30/2010	6/30/2009		6/30/2008
	Successor				Predecessor	Predecessor
Pre-tax income from continuing operations	(3,487	)	(4,121	)	5,151	2,066	(54,452	)	(83,522	)
Capitalized interest	—		—		—	—	—		—
Depreciation of capitalized interest	—		—		—	—	—		—
Adjusted pre-tax income from continuing operations	(3,487	)	(4,121	)	5,151	2,066	(54,452	)	(83,522	)
Fixed charges
Interest on long-term and short-term debt (1)	42,655		1,837		9,394	19,139	24,925		54,034
Capitalized interest	—		—		—	—	—		—
Rental expenses representative of an interest factor	622		23		267	582	580		582
Total fixed charges	43,277		1,860		9,661	19,721	25,505		54,616
Pre-tax income from continuing operations plus fixed charges	39,790		(2,261	)	14,812	21,787	(28,947	)	(28,906	)
RATIO OF EARNINGS TO FIXED CHARGES	—		—		1.5	1.1	—		—
Deficit	3,487		4,121		—	—	54,452		83,522

(1) includes amortization of deferred financing costs and debt discount